Inverse functions

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If f(x)=x^3+3x^2+3x+1, find f^{-1}(2).

Guest Jul 22, 2022

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Best Answer

+288

+1

There is a way to find the exact value! :D

x^3 + 3x^2 + 3x + 1 = 2

(x+1)^3 = 2

x = \(\sqrt[3]{2}-1\)

Voldemort Jul 22, 2022

3⁺⁰ Answers

+118609

+1

\(x^3+3x^2+3x+1=2\\ x^3+3x^2+3x-1=0\\ x\approx 0.26 \)

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Melody Jul 22, 2022

+288

+1

Best Answer

There is a way to find the exact value! :D

x^3 + 3x^2 + 3x + 1 = 2

(x+1)^3 = 2

x = \(\sqrt[3]{2}-1\)

Voldemort Jul 22, 2022

+118609

0

Thanks Voldemort

Melody Jul 22, 2022

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