In 2006, AT&T advertised a “one rate” plan for long distance customers in New Mexico, with a $3.95 monthly fee and long distance calls charged at 7¢ per minute. A competing company, Qwest, offered a “15¢ Single Rate Plan” for long distance, which featured a 99-cent monthly fee and a charge of 15¢ per minute for calls.
a. Find a linear function model A(t) = … that gives the monthly cost of AT&T long distance service as a function of t the monthly cost of the AT&T long distance if the customer uses 1 hour of long distance time?
c. Find a linear function model Q(t) = … that gives the monthly cost of Qwest l number of minutes used.
b. How much is theong distance service as a function of t. the number of minutes used.
d. How much is the monthly cost of the Qwest long distance if the customer uses 1 hour of long distance time?
e. When is it cheaper to use the AT&T plan, and when is it cheaper to use the Qwest plan?
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.