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funcused · 07-29-2008, 08:15 PM

Im taking mathematics and im having some difficulties. can any one help me with this problem?

If f(g(x))=x+5/x and g(x)=x+5, then f(x)=

ali4nia · 07-30-2008, 05:05 PM

not sure but I give it a shot Wink

here you go:
g(x) = x+5

f(g(x))= x+5/x which means g(x)/x

so to find F(x) we replace g(x) by x

so we get f(x)= x/x= 1

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