What is the effect on the graph of the function f(x) = |9x| when f(x) is changed to f(
2
3
x)?

A)
stretched vertically

B)
compressed vertically

C)
stretched horizontally

D)
compressed horizontally

good luck!

cutie~

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.