Answer:
D
Step-by-step explanation:
(-7x^2 - 3) + (4x - 6)
-3 - 6 = -9
-7x^2 + 4x - 9
(f+g(x)= -7x2 - 3 + 4x - 6
Simplify like terms
Answer should be -7x^2 + 4x - 9