Question

What is the effect on the graph of the function f(x) = x when f(x) is replaced with −1/2f(x)?
A) vertical reflection over x-axis and vertical stretch
B) vertical reflection over x-axis and vertical compression
C) horizontal reflection over y-axis and horizontal stretch
D) horizontal reflection over y-axis and horizontal compression

Answer 1

Negative a values will flip across the x axis (horizontal line) and a values between 0-1 will cause a shrink

Answer 2

wha