If g(f(x))= 2x+1, f(x)= (1/4)x-1, then what does g(x) equal? The answer is supposed to be 8x+9. Can anyone explain to me clearly step by step how to do this? Thanks!
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"Fit" the expression of f(x) into g(f(x)): Therefore, .
Hello, woahitzme! . . We are told that: . Then: . Assume that is a linear function: . Then: . We have: . Equate coefficients: . Hence: . Therefore: .
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