The following ordered pairs represent a function. (-2, -4) (-1, -2) (0, 0) (1, 2) (2, 4) Which two ordered pairs can be added to the given set and still have the set represent a function? (-3, -6) (2,1) (-2,3) (1,-1) (3,6)

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers