Answer: 54
Step-by-step explanation:
Answer:
(f+g)(x) = x^2 +10x +7
(f+g)(x) = f(x) +g(x) = (15x +7) +(x^2 -5x)
= x^2 +x(15 -5) +7
= x^2 +10x +7
show the graph of domain and range
B
10 plz mark brainliest
