This model is of the form f(x) = mx + b. Determine what m and b signify.The cost, in dollars, of cellular phone service with Econo-phone is given by where x is the number of minutes used in one month.

Question

A. 17.60 signifies the total phone bill, and 0.22 signifies the number of minutes used.
B. 0.22 signifies the cost per minute, and 17.60 signifies the monthly service charge.
C. 17.60 signifies the cost per minute, and 0.22 signifies the monthly service charge.
D. 0.22 signifies the hourly phone rent, and 17.60 signifies the cost of the hardware.

Answer 1

Answer: B