Which set of points includes all of the solutions for y=
x+
2
) for all real numbers
(-1,-1), (01.5), (1.4)
(x, y) for all real numbers
(-3,-6).(-2, -3,5), (0, 1,5), (2,6,5), (3,9)

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