Respuesta :

Answer:

3x^2+5

Step-by-step explanation:

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

(fºg)(x) = 3(x^2+ 1)+2

(fºg)(x) = 3x^2+3+2

(fºg)(x) = 3x^2+5