Vertical Stretch

Question

Let f(x) = x^2 

Determine the values of a, h and k that produce g(x) which is the function f(x) after a vertical stretch by a factor of 4. 

Answer 1

I will put this in vertex form.

 

g(x) = 4(x - 0)² + 0

 

 

You should be able to find a, h, and k.