SOLUTION: Find the Inverse of f(x)=(2x+1)^3 -4.

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Question 962729: Find the Inverse of f(x)=(2x+1)^3 -4.
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for x.

y+=+%282x%2B1%29%5E3+-+4
y+%2B+4+=+%282x%2B1%29%5E3
cuberoot%28y%2B4%29+=+2x%2B1

%28cuberoot%28y%2B4%29+%2B+1%29%2F2+=+x