Which of the following lists of ordered pairs is a function? A. (1, 2), (4,0), (3,5), (4,3)
B. (2,5), (3,6), (6,9)
C. (-1, 2), (2, 3), (3, 1), (2,5)
D. (2,5), (3, 6), (2, 1)

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear