Question

The point (1, -5) is an ordered pair for which function?

A. ƒ(x ) = 3x - 11
B. ƒ(x ) = 2x - 7
C. ƒ(x ) = -x + 9

Answer 1

BBBBBBBBBBBBBBBB

2(1) -7 = -5
(1, -5 )

Answer 2

its just gonna be a matter of subbing (1,-5) in ur answer choices to see which one is true. Keep in mind, f(x) = y.

B. f(x) = 2x - 7
y = 2x - 7......subbing in (1,-5)
-5 = 2(1) - 7
-5 = 2 - 7
-5 = -5 (correct)

so B is ur answer