Question

F (x) = -3x + 2x – 5 Whatisf (-1)?​

Answer 1

f(-1) = -4

Explanation:

f(-1) simply means that what is f(x) when x = -1?

Just plug in -1 for x to find your answer:

f(-1) = -3(-1) + 2(-1) - 5

f(-1) = 3 - 2 - 5

f(-1) = 1 - 5

f(-1) = -4