katierae1213 katierae1213

20-09-2019
Mathematics

contestada

If f(x) = 3x + 2 and g(x) = x2 + 1, which expression is equivalent to (fog)(x)?
(3x + 2)(x2 + 1)
0 33²+1+2
(3x + 2)2 + 1
3(x²+1)+2

Respuesta :

jimrgrant1 jimrgrant1

20-09-2019

Answer:

3(x² + 1) + 2

Step-by-step explanation:

(f ○ g)(x) = f(g(x))

Substitute x = g(x) into f(x), that is

f(x² + 1) = 3(x² + 1) + 2 ← is the equivalent statement

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