Question

If f (x) = 2 x + 5 and three-halves are inverse functions of each other and f(x)=2x+5, what is f-1(8)?

A. -1

B. 3/2

C. 41/8

D. 23

Found the answer, its B. 3/2!

Answer 1

Answer: it’s B

Explanation:

Just took the test on edge

Answer 2

b

Found the answer, its B. 3/2!