8. The graph shows the cost of a long distance
phone call.
Cost of a Long Distance
Phon...
Mathematics, 04.11.2020 08:10 arri05
8. The graph shows the cost of a long distance
phone call.
Cost of a Long Distance
Phone Call
a. Find the slope of the line.
b. Explain the meaning of the slope as a rate
of change.
Cost (dollars)
y
3.00
2.50
2.00
1.50
1.00
0.50
0
o
c. How much money is added to the phone bill
if you talk for 5 extra minutes?
5 10 15 20 25 30 x
Minutes talked
d. How many minutes did you talk if the phone
call costs $3?
Answers: 2
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