The Cost, in Dollars, of Cellular Phone Service with Econo- $c=0.19 x+26.55$

Multiple Choice

The cost, in dollars, of cellular phone service with Econo- phone is given by $c=0.19 x+26.55$ , where $\mathrm{x}$ is the number of minutes used in one month. Find the slope and $\mathrm{y}$ - intercept of the equation and explain what each signifies.

A) 26.55 signifies the total phone bill, and 0.19 signifies the number of minutes used.
B) 0.19 signifies the cost per minute, and 26.55 signifies the monthly service charge.
C) 26.55 signifies the oost per minute, and 0.19 signifies the monthly service charge.
D) 0.19 signifies the hourly phone rent, and 26.55 signifies the cost of the hardware.