Question

3.3.47 & Skill Builder Question Help lis An internet cafe charges $7.00 for the first 30 minutes of use of the internet and $1.00 for each additional 15 minutes (or part of 15 minutes) is a. How much is owed to the cafe if a person used 46 minutes? The person owes $ 9. $1 b. Write a piecewise function, Cix), where is the cost charged per usage as a function of the minutos, x, used for values of x less than or equal to 90 minutes, sa if 0 30 ad pr if 30 45 C(x)= f 45 60 fe Score if 60 75 if 75 so "out Jous typ ceive ist ve score аions hu

Answer 1

a. Charge for the first 30 minutes = $7.00

    Charge for the next 15 minutes = $1.00

    Since, the charge for next 15 minutes or part of 15 minutes is $1.00

    Charge for the next 1 minute = $1.00

     Therefore, the total charge for 46 minutes = $7.00 + $1.00 + $1.00 = $9.00

b. The piecewise function is given by