Question

If f(x) = 5x + 40, what is f(x) when x = -5?

Answer 1

Answer:

f(-5) = 15

Step-by-step explanation:

f(x)=5x+40

plug in x as -5

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

multiply 5 by -5

-25+40

add -25 to 40

15