Which set of ordered pairs represents y as a function of x? A {(2, -1),(4,-2), (6,-3), (8,4)}
B {(0,0), (1, 1), (1,0), (2, 1)}
C {(3, 3), (3,4),(4,3), (4,4)}
D {(1,-5), (1,5), (2, -10), (2, -15)}

What is the value of x in the figure below? if necessary, round your answer to the nearest tenth of a unit. 12 d 4 b оа. 3.1 ов. 6.9 ос. 4 od. 12

Which of these choices show a pair of equivalent expressions?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?