Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x) = 9 cos x ; g(x) = cos x (3 points)

The transformations required to obtain the graph of the function f(x) from the graph of the function g(x) is vertical stretch

Step-by-step explanation:

We need to describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x).

We have g(x) = cos x

After transformation we get

f(x)= 9 cos x

According to transformation rule:

if f(x) is transformed into a.f(x) then the transformation is vertical stretch or compression.

In our case

g(x)= cos x

f(x) = 9 cos x

a=9 and a>1 so, the transformation is vertical stretch.

So, The transformations required to obtain the graph of the function f(x) from the graph of the function g(x) is vertical stretch

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