Answer:
378+567-142÷5= 916.6
456(325-541)÷32= -3078
Step-by-step explanation:
Given:
The demand function is,
The total revenue function is,
16.9
(f + g)(x) = – 3x^2 + 5x - 8
(f + g)(x) = f(x) + g(x)
= 5x^2 + 9x – 4 + (– 8x^2 – 3x – 4)
= 5x^2 + 9x – 4 – 8x^2 – 3x – 4
Combine
= – 3x^2 + 5x - 8
