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If \(f(x)=2x^3+4\), find \(f^{-1}(58)\).

 

Thanks!

 Jul 17, 2020
 #1
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We are trying to find the x value that when plugged into f(x), results in 58. Replace f(x) with 58.

 

58=2x^3+4

54=2x^3

x^3=27

x=3.

 Jul 17, 2020

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