Question

If f(x) = 5x + 40, what is f(x) when x
О-9
От
o15
.

Answer 1

Answer: x = -9, x = 115

Step-by-step explanation:

when x = -9 :

5(-9) + 40

-45 + 40

= -5

when x = 15

5(15) + 40

75 + 40

= 115

Answer 2

Answer:

X = -5, 40, 115

Step-by-step explanation:

when x = 0-9

5(0-9) + 40

-45 + 40

= -5

when x = 0T =0

5(0) + 40

0 + 40

= 40

when x = 015=15

5(15) + 40

75 + 40

= 115