Emergency hw

Which of the following ordered pair could NOT be included in this set if it is a
function?
{(-4,2).(3,6),(4,3), (x, y) }

A. (x, y) = (3,6)
B. (x, y) = ( 4,-3)
C. (x, y) = (1,2)
D. (x, y)= (-3,6)

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)