Name_______________
Choosing a Phone Plan: Summary
Please use your phone log, cost equations, internet printouts,
Excel printouts of graphs, and your graphing calculator graph to answer the
following questions. This will give me a summary of your project.
1. About how many minutes of phone calls do you make per month?
________
List the number of minutes for each member of your team.
Member:____________________________ # of minutes________________________
Member:____________________________ # of minutes________________________
Member:____________________________ # of minutes________________________
2. Write the three cost equations you found from your internet
exploration?
Plan 1:
Plan 2:
Plan 3:
3. Tell the cost for you for each plan. Show how you found
these numbers.
Plan 1:
Plan 2:
Plan 3:
4. Tell the cost for each of your team members for each plan.
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Member
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Cost: Plan 1
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Cost: Plan 2
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Cost: Plan 3
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5. Examine your graphs. When do all three companies charge
the same amount? When is Plan 1 a better choice? When is Plan 2 a better choice?
When is Plan 3 a better choice? Discuss how your graphs relate to the solution
of the problem.
6. Consider the various phone plans using the number of minutes
you call per month. Which plan would you choose?
What plan is most appropriate for the other members of your
team?
Member:____________________________ Phone Plan:______________________
Member:____________________________ Phone Plan:______________________
Member:____________________________ Phone Plan:______________________
7. Explain what factors led you to your decision. Why is this
the best phone plan for you? How much money will you save? Is your choice appropriate
for everyone in your group? in this class? Why or why not?