Frank and Allie purchased cell phone plans through different providers. Their cost for several minutes are shown. Graph each plan to determine whose plan is proportional to the number of minutes the phone is used. Explain your reasoning.Cell Phone PlansTime(Min) Frank's Cost($) Allie's Cost($)0 0 4.003 1.50 4.506 3.00 5.00
Accepted Solution
A:
Franks plan is proportional because it goes through the orgin and Allie's plan doens't