A phone company charges for service according to the formula: C(n)=15+0.03nC(n)  where n is the number of minutes talked, and C(n) is the monthly charge, in dollars.

 

a)The rate of change in this equation is:

b) The initial value in this equation is: 

Select an answerDollars per MinuteMinutesMinutes per DollarDollars

 

 

The initial value in this equation is:

Select an answerMinutesDollars per MinuteDollarsMinutes per Dollar

Box 1: Enter your answer as a whole or decimal number. Examples: 3, -4, 5.5
Enter DNE for Does Not Exist, oo for Infinity

Box 2: Select the best answer

Box 3: Enter your answer as a whole or decimal number. Examples: 3, -4, 5.5
Enter DNE for Does Not Exist, oo for Infinity

Box 4: Select the best answer