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Mathematics, 24.11.2020 23:50 diana4393

The cell phone plan from Company C costs $10 per month, plus $15 per gigabyte for data used. The plan from Company D costs $80 per month, with unlimited data. Rule C gives the monthly cost, in dollars, of using gigabytes of data on Company Cโ€™s plan. Rule D gives the monthly cost, in dollars, of using gigabytes of data on Company Dโ€™s plan.
A. Which is less, C(4)or D(4)? What does this mean for the two phone plans?
B. Which is less, C(5)or D(5)? Explain how you know.

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