Question

f(x) = 3x − 7 and g(x) = −8x + 4. What are (f + g)(x) and (f + g)(−4)?

Answer 1

Answer:

(f+g)(x) = -5x-3  

(f+g)(-4)= 17

Step-by-step explanation:

you add f(x) to g(x) for the first part.

the second part you add them but plug in -4 for x.