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bearhunter [10]
2 years ago
9

For the function f(x)=(x+6)^3 find f^-1(x) PLEASE HELP THANK YOU!

Mathematics
1 answer:
Gre4nikov [31]2 years ago
7 0
<h3>Answer: f^{-1}(x) = -6+\sqrt[3]{x}</h3>

======================================================

Explanation:

Replace f(x) with y.

Swap x and y, then solve for y to get the inverse.

f(x) = (x+6)^3\\\\y = (x+6)^3\\\\x = (y+6)^3\\\\\sqrt[3]{x} = y+6\\\\y = -6+\sqrt[3]{x}\\\\f^{-1}(x) = -6+\sqrt[3]{x}\\\\

To solve for y, I first applied the cube root to both sides. Then I subtracted 6 from both sides.

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