Question

If f(x) equals 5X +40, what is F of X when X equals -5

Answer 1

15

Explanation:

f(x) = 5x + 40

Put x as -5.

f(-5) = 5(-5) + 40

f(-5) = -25 + 40

f(-5) = 15

Answer 2

15

Explanation:

We already know that
`f(x)=5x+40`. To find
`f(x)` when
`x=-5`, we simply need to plug -5 into the equation. Thus:

`f(-5)=5(-5)+40=-25+40=15`

The answer is 15.