Which relations is a function of x? A) x: -1 2 2 3 y: 7 -9 8 -4

B) x: -8 -8 1 1 y: -9 2 -9 2

C) x: -5 -5 -5 -5 y: 1 7 -9 2

D) x: -3 -2 4 7 y: -1 5 0 -1

Step-by-step explanation:

oh shi sorry I wish I could help but I'm stupid

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.