4 years ago

Look at this picture and help me out please

Mathematics

2 answers:

Artemon [7]4 years ago

7 0

First off it's D. How you prove it is by doing y = 2x + 5 ( f(x) represents y)

then from there just treat it like an algebraic equation trying to find x.

y = 2x + 5

y - 5 = 2x

y - 5 / 2 = x

f^-1(x)= y - 5 / 2

Rainbow [258]4 years ago

4 0

your answer is a ok i hope this helpful

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