Starting with the graph of , two sequences of transformations are considered.
Sequence A translates the graph units upwards and then applies a vertical stretch with scale factor .
Sequence B applies the vertical stretch first and then translates the graph units upwards.
Find the function obtained from sequence A.
Find the function obtained from sequence B.
State the vertical distance between the two resulting graphs.
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For a product, models weekly demand , in units, at a price dollars. Following an advertising campaign, demand is modelled by
Before the campaign, the point lies on the demand curve.
Interpret each of the three transformations in the context of the model.
Determine the point on the new demand curve corresponding to , and interpret its coordinates.
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The graph of contains the points and . The graph is transformed to the graph of
Determine the coordinates of the image of on the graph of .
Determine the coordinates of the image of on the graph of .
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The graph of has -intercepts at and , and a local maximum at . A new function is defined by
Describe fully the transformations that map the graph of onto the graph of .
Find the -intercepts of the graph of .
State the coordinates and nature of the turning point on the graph of .
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The height of an animated fountain jet is modelled by
where is the time in seconds and is the height in metres. A second animation starts seconds later, runs at twice the speed and displays the jet at times its original height.
Determine a function that models the second animation.
Find the time and height of the maximum point in the second animation.
Find the two times at which the second animation shows the jet at ground level.
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The function is defined by
Describe a sequence of transformations that maps the graph of onto the graph of .
The point is a maximum point on . Determine its image and state its nature on the graph of .
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Let . A transformed function is defined by
Describe a sequence of transformations that maps the graph of onto the graph of .
State the domain of and the equation of its vertical asymptote.
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A voltage signal is modelled by , where is measured in seconds and in volts. A second sensor delays the signal by seconds, reverses its polarity, amplifies its magnitude by a factor of , and adds an offset of volts. The original signal has a local maximum at .
Determine a function for the output of the second sensor.
Determine the image of the local maximum and state its nature on the graph of .
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The graph of a non-symmetric function is shown. It has endpoints and , a local minimum at and an -intercept at . A new function is defined by

Determine the images of the local minimum and the specified x-intercept at under the transformation.
On a coordinate grid, sketch the graph of , clearly indicating its endpoints and local minimum.
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Let . The graph of is translated by the vector
to form the graph of . The graph of passes through and .
Write down an expression for in terms of and .
Find the value of and the value of .
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Let
A new function is defined by
Express in the form .
State the equations of the asymptotes of the graph of .
State the domain and range of .
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A function has domain and range . A function is defined by
It is also known that .
Determine the domain of .
Determine the range of .
Find the point on the graph of corresponding to the point on the graph of .
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Let . A transformed function has the form
where and . The graph of has vertex , is obtained using a horizontal stretch with scale factor , and passes through .
Find the values of and .
Find the value of .
Find the value of and hence write down .
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The graph of is transformed to the graph of
Describe a sequence of transformations that maps the graph of onto the graph of .
The point lies on the graph of . Determine its image on the graph of .
The point lies on the graph of . Determine the corresponding point on the graph of .
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Let . A transformed function is defined by
where and . The graph of has vertical asymptote , horizontal asymptote , and is obtained using a horizontal stretch with scale factor . It also passes through .
Find the values of , and .
Find the value of and hence write down in simplified form.
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Let denote a translation units to the right and let denote a horizontal stretch with scale factor . These transformations are applied to the graph of in different orders.
Find the function obtained when is applied first and second.
Find the function obtained when is applied first and second.
point on the original graph has -coordinate . Compare its final -coordinates under the two sequences.
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Let
and define
Describe a sequence of transformations that maps the graph of onto the graph of .
Express in the form .
State the equations of the asymptotes of the graph of .
The line intersects the graph of at . Determine the coordinates of and the corresponding point on the graph of .
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Let and define
Describe the transformations that map the graph of onto the graph of .
Write in simplified form and state the coordinates of its vertex.
Find the -intercepts of the graph of .
Determine the coordinates of the intersections of with the line .
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The vertical displacement of a test platform is modelled by
where is measured in seconds. A second sensor produces the transformed signal
The graph of has a maximum point at .
Describe the transformations that map the graph of onto the graph of .
Determine the image of the maximum point of , giving coordinates to three significant figures, and state its nature on the graph of .
Find the two values of for which .
Explain why the maximum displacement of becomes a minimum displacement of .
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The depth of water above a reference level at a harbour is modelled by
where is measured in hours and .
Describe the transformations that map onto .
Determine the time and depth of the first maximum value of .
Find the two times during the cycle when .
Hence determine the length of time during the cycle for which the depth is at least metres.
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A calibration curve is obtained from the graph of using
Describe the horizontal transformations that map the graph of onto the graph of .
Describe the vertical transformations that map the graph of onto the graph of .
State the domain of and the equation of its vertical asymptote.
Find the value of for which .
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The temperature of a container is modelled by
A second container begins cooling after a delay of minutes. It cools times as slowly, its temperature difference from the original baseline is multiplied by , and its new baseline is .
Write down the input of that accounts for the delay and slower cooling.
Hence determine a model for the second container.
Find the time at which the second container first reaches .
Explain why replacing directly by would not model the stated vertical change correctly.
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A retailer models weekly demand by , where is the price in dollars and is the number of units demanded. Two points on the original demand curve are and . A new market has demand
Write down the coordinate mapping from a point on the original demand curve to the corresponding point on the new demand curve.
Determine the images of the two given points.
Calculate the weekly revenue represented by each transformed point and determine which is greater.
The point lies on the new demand curve. Determine the corresponding point on the original demand curve.
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Let and define
Describe the horizontal transformations that map the graph of onto the graph of .
Describe the vertical transformations that map the graph of onto the graph of .
State the domain and range of .
Find the point on the graph of at which .
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A numerical model is defined by
Values of used in the model are close to .
Describe the transformation that maps onto .
Introduce the local coordinate and express in terms of .
Calculate .
Explain why storing the local coordinate directly, rather than first rounding to six significant figures, can reduce rounding error.
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The intensity profile of a light pulse is modelled by . A modified pulse is modelled by
Describe the transformations that map the graph of onto the graph of .
State the coordinates of the maximum point and the equation of the horizontal asymptote of .
Find the two values of for which .
Hence determine the width of the pulse above an intensity of .
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A graph-design program transforms into
where and . The points and on the original graph are mapped to and respectively.

Consider a general point on the graph of .
For a point on the graph of , show that its image on the graph of has coordinates:
State the horizontal and vertical scale factors represented by this mapping.
Hence determine , , and .
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A recorded seismic signal is represented by , where is measured in seconds and in millimetres. A processed signal is defined by
The original signal has a local maximum at and crosses the time axis at and .

Describe the four transformations mapping the original signal to the processed signal.
Consider the local maximum and the axis crossings of the original signal.
Determine the image of the local maximum and state its nature.
Find the two times at which .
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A graphics filter uses the parent curve
to generate

Analyse the construction of .
Describe the transformations mapping the graph of to the graph of .
Express in the form .
State the equations of the asymptotes and hence the domain and range of .
For a rational function with asymptotes and , state the asymptotes after the transformation , where .
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A repeating machine motion is based on the graph of . One cycle of has a maximum at , a minimum at and the next maximum at . A modified motion is

Analyse the time transformation.
Determine the period of and the period of .
Determine the image of the minimum and state its nature.
Determine the maximum and minimum values of .
second modification has the form . State conditions on and for to have the same period as but to preserve the nature of every turning point.
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A digital elevation profile has domain and range . It begins at and ends at . A transformed profile is defined by

Determine the effect on the coordinates.
Show that a point is mapped to .
Determine the images of the two endpoints.
Determine the domain and range of .
Explain why the left endpoint of the transformed profile corresponds to the right endpoint of the original profile.
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For a manufacturer, gives the daily operating cost , in euros, when items are produced. After equipment is replaced, the cost is modelled by
The original graph contains the point .

Analyse the transformations in context.
State the horizontal scale factor and horizontal translation, including appropriate units.
Interpret the two vertical transformations.
Determine the transformed operating point corresponding to and interpret its coordinates.
Explain why the value has units but the values and do not.
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Let
and
The graph of has a local maximum at and a local minimum at .
Write down the coordinate mapping from a point on the graph of to its image on the graph of .
Determine the coordinates and nature of both turning points of .
Find the -intercept of the graph of .
student claims that the reflection in the -axis changes every maximum point into a minimum point. Explain why this claim is incorrect.
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An animation is described by for . Let be a translation seconds to the right and let be a horizontal stretch with scale factor .
Find the function and domain obtained when is applied first and second.
Find the function and domain obtained when is applied first and second.
An event occurs at time in the original animation. Determine its final time under each sequence.
Hence explain why the order of these transformations changes the animation.
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The graph of is subjected to a vertical translation by units and a vertical stretch with scale factor , where .
Find the function obtained when the translation is applied before the stretch.
Find the function obtained when the stretch is applied before the translation.
Determine all conditions on and for which the two sequences produce the same graph.
For and , determine the vertical distance between the two resulting graphs and explain why it is constant.
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A path profile is modelled by
A transformed profile is defined by

Determine the transformed domain and the transformed location of the joining point.
Find a piecewise expression for .
State the range of .
Show that is continuous at its joining point.
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A cyclic environmental index is modelled by
where , and . The index has a maximum value of , a minimum value of , a period of days and a maximum at .
Find and .
Find and , and hence write down the model.
Find the first time after at which the index is .
Determine the total time during one period for which the index is greater than .
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Let denote a translation units to the right, where , and let denote a horizontal stretch with scale factor , where . These transformations are applied to the graph of .
Step | then | then |
|---|---|---|
Starting graph | ||
Point to track | ||
1st transformation | ||
2nd transformation |
point on the original graph has coordinates .
Find its final coordinates when is applied before .
Find its final coordinates when is applied before .
Determine the horizontal separation between the two final images of the point.
Deduce the condition under which the two transformation sequences produce the same graph for every function (equivalently, when the transformation operators commute), and interpret this result for and .
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A sensor response has the shape of the parent function . Its calibrated response is
where and . The calibrated graph has vertical asymptote and contains the points and .

Use the asymptote and the two calibration points.
Determine .
Show that .
The horizontal scale factor is known to be . Find , and , giving non-exact answers to three significant figures.
Determine the image on the calibrated graph of the parent point .
Explain why the same calibrated graph can be represented using different pairs of values for and if the horizontal scale factor is not specified.
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A two-dimensional image-registration algorithm maps coordinates according to
where . Three landmarks on the original image are , and . Their registered images include and .

Find the transformation parameters.
Determine and .
Determine and .
Determine the coordinates of .
Describe the reflections present in the registration and justify your answer.
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A satellite's measured displacement is modelled near the large time value seconds by
A technician introduces the translated variable and defines .
u [s] | t [s] | Displacement |
|---|---|---|
-8000 | 99992000 | 519 |
-4000 | 99996000 | 215 |
0 | 100000000 | 7 |
4000 | 100004000 | -105 |
6000 | 100006000 | -125 |
8000 | 100008000 | -121 |
10000 | 100010000 | -93 |
16000 | 100016000 | 135 |
Work with the translated coordinate.
Show that .
Determine the translation mapping the graph of to the graph of when both are drawn using their stated horizontal variables.
Find the value of at the turning point and hence the corresponding value of .
Explain one numerical advantage of calculating with rather than expanding as a polynomial in .
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The cross-section of a custom ramp is represented by an unfamiliar function on . It contains joins at and and has maximum point . A second ramp is modelled by

Analyse the transformation of key features.
Describe the horizontal transformations.
Determine the images of the two joins.
Determine the image of the maximum point.
Determine the domain of .
Explain why the order of the two joins is reversed on the second ramp but their shape type is unchanged.
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The graph of a function with domain , where (for example, ), is transformed in two ways on this common domain:
The accompanying diagram is illustrative only and is not data to be used in part (c).
A designer wants the graphs of and to coincide.

Interpret the transformation producing .
Describe the two reflections mapping to .
State the equivalent single geometric transformation.
Show that the graphs coincide if and only if is an odd function.
State what can be deduced about the graph if it contains the point and the two graphs coincide.
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A curve is transformed by
A software system must later restore every point to its original position.

Relate the coordinate mapping to a graph equation.
If the original graph is , show that its image has equation
State the horizontal reflection and horizontal scale factor used by .
Find the restoring coordinate transformation .
Verify that applying after returns a general point to itself.
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A transformation maps every point according to
A point is called invariant if it is unchanged by the transformation.

Find the invariant point.
Solve for the invariant -coordinate.
Solve for the invariant -coordinate and hence state the invariant point.
Show that after applying times, the coordinates are
Describe the long-term behaviour of the image of a point with as .
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A non-symmetric function has endpoints and and a local maximum at . It is transformed according to
where . The corresponding features of are endpoints and and a local minimum at .

Use the horizontal coordinates of the corresponding endpoints to find and .
Use the vertical coordinates of the endpoints to find and .
Verify that the local maximum of maps to the stated local minimum of .
Given that , determine .
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For , consider the family of transformed functions
where and . A curve-fitting program reports , , and .

Simplify and identify key features.
Write in the form and find to three significant figures.
State the range of and the image of the parent point .
The program fixes and but allows and to vary. Show that infinitely many pairs produce exactly the same curve.
Find the value of that gives the same curve when , and explain why interpreting and separately would be unreliable.
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Two vertical transformations act on a graph. Transformation is a vertical stretch with non-zero scale multiplier , and transformation is a vertical translation by units. A general point on the graph is .

Compare the two possible orders.
Find the final vertical coordinate when is applied before .
Find the final vertical coordinate when is applied before .
Determine the condition on and for and to commute.
A vertical transformation is written . It is to be performed in the reverse order, translation first and then stretch, without changing the final graph.
To obtain the same final result as applying followed by , determine the translation by that must be applied before , for .
Hence rewrite the transformation as a translation followed by a vertical stretch and reflection.
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