Answer:
(f+g)(x) = 3x² + (3/2)X - 9
Step-by-step explanation:
f(x) = 1/2*x - 3
g(x) = 3x²+x-6
then (f+g)(x) i f(x) + g(x)
1/2*x - 3 + 3x²+x-6
3x² + 1.5X - 9
3x² + (3/2)X - 9
