Question

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

Answer 1

The answer is 15

Explanation:

Just took the test hope this helps❤️

Answer 2

First note that f(x) means the same thing as y. To solve for f(x) or y you need to plug in -5 for x and solve using the rules of PEMDAS

5(-5) + 40

-25 + 40

15

When x is -5 then y is 15

Hope this helped!

~Just a girl in love with Shawn Mendes