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If f(x) = 3x - 2, find f-'(x)

User Strauberry
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1 Answer

11 votes

Answer:

f⁻¹(x) = (x + 2)/3

Explanation:

I'm going to assume the question is asking for the inverse. If that is the case, you want to switch x and y in the equation and solve for y.

f(x) = 3x - 2

x = 3f(x) - 2

x + 2 = 3f(x)

(x + 2)/3 = f⁻¹(x)

Therefore, the inverse is f⁻¹(x) = (x + 2)/3.

User IFlo
by
7.2k points

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