
Find the equation of each graph after the given transformation.
(d) after a stretch parallel to the -axis with stretch factor .

Important Questions on Functions
The diagram shows the graph of . Sketch the graph of each of the following.
.

Find the equation of the image of the curve after each of the following combinations of transformations and, in each case, sketch the graph of the resulting curve.
(a) A stretch in the -direction with factor 2 followed by a translation by the vector .

Functions and are defined for by:
Express in the form , where are constants.

The diagram shows a sketch of the curve with equation .
(b) Describe fully a sequence of two transformations that maps the graph of onto the graph of

A curve has equation .
Sketch the curve, showing the coordinates of any axes crossing points.

The function is defined for the domain .
(a) Find and state the domain of .

The function is defined for the domain .
On the same diagram, sketch the graphs of (x) and (x).

