Linear functions can represent both Carla and
Hours 1 2 3 4
arrish's lawn-mowing rates. Carla's lawn mowing
ates are represented by the equation y=9.5x + 15. Cost 22 34 46 58 70
Vhere x represents the number of hours she works
nd y represents the cost to her customers. Parrish's
awn-mowing rates are shown in the table. Who charges more per hour?
1. What is the constant rate of change that represents how much
Carla charges each hour?
2. What is the constant rate of change that represents how much
Parrish charges each hour?
3. What is the fixed cost that Carla charges?
4. What is the fixed cost that Parrish charges?
5. Who charges more per hour?