Suppose a parking lot charges \$3 for the first hour (or part of an hour) and $\$ 2$ for each succeeding hour
(or part), up to a daily maximum of $\$ 10$.
(a) Illustrate a graph of the cost of parking as a function of time.
(b) Explain the discontinuities of this function and their significance to someone who parks in the lot.
The function is discontinuous at $t = 1, 2, 3, 4$, and it means that the extra cost will be charged only if
someone wanted to extend his/her parking time. Also, the parking fee will be fixed at $\$ 10$ if the parking time of the car
had reached 4 hours and beyond.
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