Answer:
F(-3) = 9
F(1) = -3
F(4) = -12
Step-by-step explanation:
For example:
Just follow these steps when you are dealing with negative numbers.
F(x) = -3x
F(x) = -3 (x)
F(-3) = -3 (-3)
= (-1) (3) (-1) (3)
= (-1) (-1) (3) (3)
= (1) (9) = 9
That's all. Hope it helps.
