The table shows the cost, C, in dollars, to rent a car for a day and drive a distance, d, in kilometres.
Distance, d (km)
Cost, C ($)
50
65
80
95
110
0
100
200
300
400
a. What is the fixed cost?
b. What is the variable cost? Explain how you found this.
c. Write an equation relating C and d.
d. What is the cost of renting a car for a day and driving 750 km?