Question 3 (5 points) 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 lcost, in dollars, of using 8 gigabytes of data on Company C's plan. Rule D gives the monthly cost, in dollars, of using &
gigabytes of data on Company D's plan.
Which is less, C(4) or D(4)? What does this mean for the two phone plans?