1. g(1/f(3)) 2. f(x + h) - f(x) all over h
Calculate the value of f(3)=3²-1 and substitute as the value of x in the expression of g(x). 2) Algebraically replace all occurrences of x in f(x) by (x+h) and evaluate f(x+h). Subtract f(x) from f(x+h) and divide result by h.
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