Find (fog)(x) and (gof)(x). f(x) = 3x g(x) = 4x Write your answer as a polynomial in simplest form. (fog)(x) = (gof)(x) = Please help me again

asked Sep 13, 2023 42.9k views

3 votes

Find (fog)(x) and (gof)(x).

f(x) = 3x
g(x) = 4x
Write your answer as a polynomial in simplest form.
(fog)(x) =
(gof)(x) =
Please help me again

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4 votes

$(f \circ g)(x)=f(g(x)) \\ \\ =f(4x) \\ \\ =3(4x) \\ \\ =12x \\ \\ \\ \\ (g \circ f)(x)=g(f(x)) \\ \\ =g(3x) \\ \\ =4(3x) \\ \\ =12x$

Pulkit Pahwa answered Sep 19, 2023

5.7k points

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