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

Let f(x)=3x+8 and g(x)=x^2

Find (f•g) (x)

A) 3x^3+8x^2


B) 3x^2+8


C) 3x^3+3x^2+8

D) x^2-3x-8

Respuesta :

Answer:

A

Step-by-step explanation:

f(x) × g(x) = (3x + 8) × x² ( multiply each term in the factor by x² )

               = 3x × x² + 8 × x² = 3x³ + 8x² → A


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