In Math / Junior High School | 2025-07-07

PRACTICE EXERCISES
A certain cellphone company offers a plan that
costs P1,200.00 per month. The plan includes 180 free
minutes of call and charges P7.00 for each additional minute
of usage.
a. Find the monthly cost function C(x) where x represents the
number of minutes used.
Hint: Monthly Cost = Plan Cost + Additional Charge per Minute.
b. How much is the monthly cost incurred if the owner used 180
minutes of call?
c. How much is the monthly cost of the plan if the owner used 300
minutes of call?






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Asked by czianerodriguez827