Answer:
5, -35, 3.75, 4a + 4b + 5
Step-by-step explanation:
1. f(0) = 3(0)^2 - 2(0) + 5 = 5
2. f(-4) = 3(-4)^2 - 2(-4) + 5 = -35
3. f(-1/2) = 3(-1/2)^2 - 2(-1/2) + 5 = 3.75
4. f(a+b) = 3(a+b)^2 - 2(a+b) +5 = 4a + 4b + 5
3(a+b)(a+b) - 2a -2b + 5
6a + 6b -2a -2b +5
4a + 4b + 5
I think
