Answer:
3) D. -3,-3
4) B. 3,2
5) (4,2) (5,-2) (8,4)
hope it's right
Look at the attachment._____Hope it helps ⚜
Step-by-step explanation:
f(x) = 3x + 1 ⇒ f(2) = 3×2 + 1 = 6 + 1 = 7
It’s B, C, D