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If f(x) = 4x – 8 and g(x) = 5x + 6, find (f + g)(x).


A. (f + g)(x) = 4x – 3x + 6

B. (f + g)(x) = 4x + 5x – 2

C. (f + g)(x) = 9x – 2

D. (f + g)(x) = –4x – 5x + 2

Respuesta :

Answer:

C: (f=g)(x) = 9x-2

Step-by-step explanation:

(f + g)(x) = f(x) + g(x). Combine similar terms. (f+g)(x) = (4x-8) + (5x+6)

=4x+5x-8+6

=9x-2

The correct answer is B, I just did it on apex

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