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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Sunday, January 20, 2013 at 11:27pm.

- Math -
**Anonymous**, Sunday, January 20, 2013 at 11:27pmX^2***

- Math -
**Reiny**, Monday, January 21, 2013 at 9:08amIt is true when f(x) and g(x) are inverses of each other, that is,

f(g(x)) = g(f(x)) = x

for f(x) = x^2 + x – 2 and g(x) = x + 4, since x+4 is clearly not the inverse of f(x) fog ≠ gof

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