Question

Sensational Cell Phones offers a plan of $30 for the first 300 minutes, and an additional $0.30 for every minute over 300. Let t represent the total talk time in minutes.

Write a piecewise-defined function that represents the cost of S(t) in terms of the number of minutes t that is used.

Answer 1

Answer: Sensational Cell Phones offers a plan of $30 for the first 300 minutes and an additional $0.30 for every minute over 300.

Explanation: