If f(x) = 5x + 40, what is f(x) when x = -5?
A -9
B -8
C 7
D 15

15

Step-by-step explanation:

f(x) = 5x + 40

Let x = -5

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

       = -25 +40

       = 15

option 1

data plot with   3 dots over 33, 1 dot over 34, 2 dots over 35, no dot over 36, 1 dot over 37, 2 dots over 38, 4 dots over 39, and 2 dot over 40.