Assignment:
A wireless phone service charges 14.99 as a monthly charge and 0.30 per minute for local calls.
How much would you pay in a month when you made ten local calls of three minutes each?
Let C represent your total monthly cost assuming you made only local calls, did not receive any calls and the total number of minutes you were on the phone is m. Write the equation to find your monthly bill.
How can you tell that the relationship between C and m follows a linear patterns?
Graph the function that gives the total monthly cost and give the slope of the line.
Provide complete and step by step solution for the question and show calculations and use formulas.