anthony110443 anthony110443

10-06-2019
Mathematics

contestada

If f(x) = 3x + 2 and g(x) = x2 + 1, which expression is equivalent to (fºg)(x)?
(3x + 2)(x2 + 1)
3x2 + 1 + 2
(3x + 2)2 + 1
3(x2 + 1) + 2

Respuesta :

nickgold1996 nickgold1996

14-06-2019

Answer:

3(x2 + 1) + 2

A. (3x + 2)(x2 + 1) WRONG bc = 3x^3

B. 3x2 + 1 + 2 Wrong bc 3x^+3

C. (3x + 2)2 + 1 wrong bc 6x+5

D. 3(x2 + 1) + 2Correct

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