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October 31, 2014

October 31, 2014

Posted by **Mia** on Thursday, January 5, 2012 at 12:06am.

f(g(x))=x and g(f(x))=x.

f(x)=4-x^3

g(x)=^34-x

- Precalculus -
**Steve**, Thursday, January 5, 2012 at 4:45amjust plug in the values for f and g

f(g) = 4 - g^3 = 4 - cbrt(4-x)^3 = 4 - (4-x) = x

g(f) = cbrt(4-f) = cbrt(4 - (4-x^3)) = cbrt(4-4+x^3) = cbrt(x^3) = x

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