Given that gg(x)=9x+8, find the possible value of g(x).  

Expert Answers

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g(g(x))= 9x+2

==> g(g(x))= 3(3x+2) + 2

==> g(x)= 3x+2

==> We will check.

==> g(x)= 3x+2

==> g(g(x))= g(3x+2)= 3(3x+2) + 2

==> g(g(x))= 9x+6 + 2 = 9x+8

 

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