The monthly cost of a phone plan is represented by the function C 25+0.04M, where C is the total cost in dollars and M is the number of minutes used
during the month. Which of these best describes the meaning of 0.04 in this function?
OA. When no minutes are used, the monthly cost will be 4 cents.
O B. Each minute of phone use adds 4 cents to the monthly cost.
OC Each month's cost is 4 cents more than the previous month's cost
OD. There is a 4-cent connection fee for every call made.
