Answer:
2 hours = 100
3 hours = 150
4 hours = 200
5 hours = $250
6 hours = $300
The rate of change is $50 because, for every hour, he is getting $50 more.
Explanation:
2 hours = $100
3 hours = $100 plus $50 because its 1 hour more
4 hours = $100 plus $100
5 hours = $250 (2 hours plus 3 hours)
6 hours = $300 (2 hours+ 2 hours+ 2 hours)