Bob is 12.
Mary is 4.
12+4 = 16.
4+4 = 8.
16/2 = 8.
Only 19 is a function because a function only has one y value for every x value. For the other graphs, there are at least two y values for each x value.
Answer:
Step-by-step explanation:
d i think
M= 1/2
to find this you plug in the points into the the formula m=y2-y1 / x2-x1
m=3-6 / -4-2
m=-3 / -6
this simplifies to m=1/2