The cost, d), for a taxi ride is given by c(x) = 2x+3.00, where x is the number of minutes. What does the slope mean for this situation?
A. The taxi ride costs a total of $3.00
B. The taxi ride costs $2.00 per trip.
C. The rate of change of the cost of the taxi ride is $2.00 per minute,
D. The rate of change of the cost of the taxi ride is $3.00 per minute,