If f (x) = 5x + 40, what is f (x) when x = - 5?

-9

-8

7

15

Question

Mathematics

Carelyn

11 August, 16:31

If f (x) = 5x + 40, what is f (x) when x = - 5?

-9

-8

7

15

+4

Answers (2)

Know the Answer?

Rockette · Answer 1

If

f (x) = 5x+40

x=-5 f (x) = 5 * (-5) + 40=-25+40=15

x=-9 f (x) = 5 * (-9) + 40=-45+40=-5

x=-8 f (x) = 5 * (-8) + 40=-40+40=0

x=7 f (x) = 5*7+40=35+40=75

x=15 f (x) = 5*15+40=115

Reynaldo Brewer · Answer 2

When x = - 5 then

f (x) = 5 (-5) + 40 = - 25 + 40 = 15

answer

15

If f (x) = 5x + 40, what is f (x) when x = - 5?-9-8715

If f (x) = 5x + 40, what is f (x) when x = - 5?

-9

-8

7

15