Use the table to answer a and b. х
у
10
-25
20
--50
30
-75
40
- 100
a) Is the graph proportional?
b) Write an equation for the table.

1) is right

step-by-step explanation:

the answer is b.)

< 1=< 2

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