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

Respuesta :

miljanamilovanovic12

Answer:

(3x+2)^2+1

Step-by-step explanation:

(f°g)(x) =g(f(x)) =g(3x+2)=(3x+2)^2 +1

EthanT05

Answer: Choice D,  3 (x^2+1) + 2

Explenation:

f(g(x)) = f (x^2 + 1) = 3 * (x^2 +1) + 2 = (3 x^2 + 3) + 2                  

Factor 3 from each term:

(x^2 _1) + 2

which makes the answer choice "d".

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