A few days ago
Anonymous

Given the function f(x) = 2/4x^3 + 1 , give the equation for f^ -1 (x)?

Given the function f(x) = 2/4x^3 + 1 , give the equation for f^ -1 (x)?

Top 2 Answers
A few days ago
hayharbr

Favorite Answer

Is this one big fraction, 2 over 4x^3 + 1? If so , write it as x = 2 / (4y^3 + 1) and solve for y.

Cross multiply to get x(4y^3 + 1) = 2

Divide by x to get 4y^3 + 1 = 2/x

Subtract 1 then divide by 4 then cube root

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A few days ago
Zara
use a scientific calculator or excel to find the square root of first fraction.
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