I -3 I + I -7 I = Question 1 options:

A. -10

B. 10

C. -4

D. 4

B

Step-by-step explanation:

There is no explanation you don;t need one just put in your k12 answer

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