Question

If f(x) = 5x + 40, what is f(x) when x = -5?
–9
-8
Ο Ο Ο Ο
7
15

Answer 1

The answer is 15.

Explanation:

f(x) = 5x + 40

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

f(x)=-25+40

f(x)=15