Question

Which two functions are inverses of each other?
HURRY 30 points

Answer 1

C. f(x)=4x, g(x)=1/4x

Explanation:

Find the inverse by switching y and x

y=x --> x=y (so a is wrong)

y=2x --> x=2y --> y=1/2 (b is wrong)

y=4x --> x=4y --> y=1/4x (c is right)

y=-8x --> x=8y --> y=-1/8x (d is wrong)