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f (x) = 2x + 5. Find the inverse of f(x). 2 O A. f-'(x) = -52 O B. f-1 (z) = O c. f-1 (2x) = 2x – 5 O D. f-*(x) = 5 – 2x

User Grena
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1 Answer

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24 votes

The inverse of f(x) is f(y)


x=f(y)=2y+5

Solving for y gives


\textcolor{#FF7968}{y=(x-5)/(2)}

Which is choice B.

User Ryan Knell
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