If f(x) = 5x + 40, what is f(x) when x = -5?
0-8
0.7
O 15

Answer:
15
Step-by-step explanation:
f(x) = 5x + 40
…………………………
when x = -5
f(-5) = 5(-5) + 40
= -25 + 40
= 40 - 25
= 15