contestada

Find (fog)(9) when f(x) = - 3x-8 and g(x) = - 5x2 - 7x+2.
A. 1,390
B. 422
C. -5,878
D. 310

Respuesta :

pawlossolomon

Answer:

1,390

Step-by-step explanation:

fog (9)=-3 (-5x^(2)-7x+2)-8

then plug in 9 in x, 1,390

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