Answer:
19
Explanation:
On ap.ex its g(x)=5 not 55
2x+8+5
2(3)+13---->19
(f + g)(x) = 2x + 8 + 55
= 2x + 63
(f + g)(3) = 2*3 + 63
= 6 + 63
= 69
6.0m questions
7.8m answers