Which of the following tables represents a function?

a. x) 6 6 7 7
y) 2 −2 3 −3

b. x) 2 −2 3 −3
y) 5 5 7 7

c. x) 3 −3 3 −3
y) 6 7 8 9

d. x) 4 4 5 5
y) 1 2 3 4

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

Which equation is equivalent to the given expression? -(1/2y+1/4) a. -1/4(1+2y) b. 1/4(2y-1) c. -2(1/4y-1/8) d. 2(1/8-1/4y)