Which of the following relations is not a function?

a. {(2, 6), (- 4, 0), (2, 2), (3, 5)}
b. {(0, 0), (10, 4), (- 8, -5), (1, 1)}
c. {(12, 0), (- 4, 6), (2, 3), (6, 6)}
d. {(1, - 6), (9, 5), (7, 7), (5, 3)}

It is A.

Step-by-step explanation:

In function A we see that there are 2 ordered pairs with value 2 in the first position with y values 6 and 2. So this is not a function.

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

l.ln.lln.k.nkl

step-by-step explanation: