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The following diagram shows the graph of a function f.
On the axes above, sketch the graph of y=2f(x+3)−1, indicating clearly the point A′ corresponding to point A.
Consider a function g defined by g(x)=af(x)+b. The graph of g can be obtained from the graph of f by
A vertical translation of +2 units parallel to the y-axis followed by
A vertical stretch with scale factor 3.
Find the value of a and the value of b.
The following diagram shows the graph of a function f.
On the axes above, sketch the graph of y=2f(x+3)−1, indicating clearly the point A′ corresponding to point A.
Consider a function g defined by g(x)=af(x)+b. The graph of g can be obtained from the graph of f by
A vertical translation of +2 units parallel to the y-axis followed by
A vertical stretch with scale factor 3.
Find the value of a and the value of b.