Question

if f(x)=2x-1,g(x)=x+1/2,show that fog=gof=x​

Answer 1

Answer:

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Answer 2

Answer:

fog(x)

=f(g(x))

=f(x+1/2)

=2(x+½) -1

=2x+1-1

=2x

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

=g(2x-1)

=2x-1+½

=2x+½