Question

Find g o f if f(x) = 2x - 1 and g(x) = x + 2.

Answer 1

Answer:

  (g◦f)(x) = 2x +1

Step-by-step explanation:

(g◦f)(x) = g(f(x)) = g(2x -1) = (2x -1) +2

(g◦f)(x) = 2x +1

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Substitute f(x) for the argument in the function g(x) and simplify.