The domain for f(x) and g(x) is the set of all real numbers. Let f(x) = 3x + 8 and g(x) = x2. Find (f • g)(x).

Question

The domain for f(x) and g(x) is the set of all real numbers.

Let f(x) = 3x + 8 and g(x) = x2.

Find (f • g)(x).

3×3 + 3×2 + 8

3×2 + 8

x2 − 3x − 8

3×3 + 8×2

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    2021-10-11T05:49:37+00:00

    (f • g)(x) = (3x + 8)(x^2)
    (f • g)(x) = 3x^3 + 8x^2

    answer

     3x^3 + 8x^2

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