##### Algebra homework help needed for Determining whether two functions are inverse of each other

label Algebra
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For each pair of functions f and g below, find f(g(x)) and g(f(x)).  Then, determine whether f and g are inverse of each other.

Simplify answers as much possible.  Assume that your expressions are defined for all x in the domain of the composition.
a)   f(x)= x-1/2,   g(x)=2x-1,    f(g(x))= ,   g(f(x))=
b)  f(x)=-3/x, x≠0,  g(x)=3/x,x≠0,  f(g(x)),  g(f(x))
Nov 1st, 2015

the analytical answer with step by step calculations is in the image . The criteria for inverse function is

given f(x) and g(x)     f(g(x)) = x and g(f(x)) = x So plz ingnore the reason for F(g(x)) i gave in both (a) and (b) the correct reason is  f(g(x)) is not equal to x . Other than that all else is correct

and g(f(x)) = x  If you have any questions in this excersise just ask!!!!

Nov 1st, 2015

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Nov 1st, 2015
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Nov 1st, 2015
Sep 22nd, 2017
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