Communications The cost of using a telephone calling card is $1.05 for the first minute
Chapter 1, Problem 62(choose chapter or problem)
Communications The cost of using a telephone calling card is $1.05 for the first minute and $0.38 for each additional minute or portion of a minute. (a) A customer needs a model for the cost of using a calling card for a call lasting minutes. Which of the following is the appropriate model? Explain. (b) Graph the appropriate model. Determine the cost of a call lasting 18 minutes and 45 seconds.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer