2x +2

asked Apr 10, 2017 48.3k views

3 votes

What is the inverse of the function f(x) = 2x + 1?

A.h(x) = 1/2x - 1/2
B.h(x) = 1/2x +1/2
C.h(x) = 1/2x -2
D.h(x) = 1/2x +2

by Xronx

8.1k points

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3 votes

Your answser would be A. I just took the test

Moghya answered Apr 11, 2017

7.6k points

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1 vote

f(x) = 2x + 1
y = 2x + 1
x = 2y + 1
x - 1 = 2y
2 2
¹/₂x - ¹/₂ = y

The answer is A.

Wee Zel answered Apr 15, 2017

8.4k points

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