The cost for a cell phone plan starts at $29.99 per month plus $0.07 per minute. Which of the following models the monthly cost of the cell phone based on the number of minutes used?
A) C = 29.99 m
B) C = 0.07 + 29.99 m
C) C = 29.99 + 0.07 m
D) C = 0.07 m
E) C = 29.99 0.07 m

Question

The cost for a cell phone plan starts at $29.99 per month plus $0.07 per minute. Which of the following models the monthly cost of the cell phone based on the number of minutes used?
A) C = 29.99 m 
B) C = 0.07 + 29.99 m 
C) C = 29.99 + 0.07 m 
D) C = 0.07 m 
E) C = 29.99 0.07 m

Quizplus · Accepted Answer

The cost for the cell phone plan includes a base fee of $29.99, which is represented by the constant term. The additional cost per minute is $0.07, which is represented by the coefficient of m, where m is the number of minutes used. Therefore, the correct model is C = 29.99 + 0.07m.

The Cost for a Cell Phone Plan Starts at $29