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Given f(x) = ax - b, what is f^-1(x)?

Given f(x) = ax - b, what is f^-1(x)?-example-1
User AtanuCSE
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2 Answers

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x + b/a Replace f(x) with y, interchange x and y and solve for y.

User CottonEyeJoe
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2 votes

Answer:

A)

Explanation:

f(x) = ax + b

y = ax + b

x = ay + b

ay = x - b

y = (x - b)/a

f^-1(x) = (x - b)/a

Answer: A)

User DrDamnit
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