Question

Given that f(x) is a function, and h(x) is the transformed graph of f(x). Which value for the parameter of "a" would case a vertical stretch to occur in h(x)=a*f(x)?

A. 0.5
B. 0.8
C. -0.25
D. 1.2

Answer 1

D. 1.2

Explanation:

h(x)=a*f(x)

vertical stretch: |a | > 1