If f(x)=x+9 and g(x)=x-9, a) f(g(x))= b) g(f(x))= c) Thus g(x) is called an _____ function of f(x)

Ugo asked Feb 9, 2022

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43 votes

If f(x)=x+9 and g(x)=x-9,

a) f(g(x))=
b) g(f(x))=
c) Thus g(x) is called an _____ function of f(x)

Ugo asked Feb 9, 2022

by Ugo

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10 votes

a) f(g(x)) = (x-9) + 9 = x
b) g(f(x)) = (x+9) - 9 = x
c) inverse function of f(x)

Dave Halter answered Feb 16, 2022

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