1. Which one of the following ordered pairs does
NOT define a function?
A (5,5.5), (8, 7.5), (10,8)
B (-2,-6), (0, – 7), (2, -8)
C (-2,4),(-1, 2), (6, 42)
D (6,2), (6,5), (7,21)

no ,sorry if you needed it but you can ask and try to see if any one will anwser ,

step-by-step explanation:

by good luck mark me as brainliest

have a nice day

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,