Question

a cellular phone plan had the following schedule:

Answer 1

Please give more information...

Answer 2

basic service, including 100 mins of calls= $20 per month
2nd 100 mins of calls= .075 per month
additional mins= .10 per month

construct a function that relates the monthly charge C for x mins of calls

Answer 3

It's going to need to be piece wise. Fill in the blanks.\[C(x)=\left\{\begin{array}{ll}\cdots & \text{if $x \le 100$} \\ \cdots & \text{if $100 < x \le 200$} \\ \cdots & \text{if $x > 200$}\end{array}\right.\]

Answer 4

thank you