Question

If f (x) = 2x+4 and g (x) =x- 3, find f (g (x)).

Answer 1

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Answer:

f(g(x)) = 2x -2

Explanation:

Put the argument where the variable is and evaluate the function.

f(g(x)) = f(x -3) = 2(x -3) +4 = 2x -6 +4

f(g(x)) = 2x -2