Question

If f(x) = 5x + 40, what is f(x) when x = -5? og O 8 O 7 O 15​

Answer 1

15.

Explanation:

5 * - 5 + 40 = 15

Answer 2

15

Explanation:

f(x) = 5x + 40

Let x = -5

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

Multiply

= -25+40

Add

= 15