Linear functions can represent both Carla and Parrish's lawn-mowing rates. Carla's lawn-mowing rates are represented by the equation y=9.5x+15, where x represents the number of hours she works and y represents the cost to her customers. Parrish's lawn-mowing rates are shown down below. Who charges more per hour?

Parrish's lawn-mowing rates-
hours: 1, 2, 3, 4, 5
Cost: 22, 34, 46, 58, 70
Image these numbers in a table

Question

Linear functions can represent both Carla and Parrish's lawn-mowing rates. Carla's lawn-mowing rates are represented by the equation y=9.5x+15, where x represents the number of hours she works and y represents the cost to her customers. Parrish's lawn-mowing rates are shown down below. Who charges more per hour?

Parrish's lawn-mowing rates-
hours: 1, 2, 3, 4, 5
Cost: 22, 34, 46, 58, 70
Image these numbers in a table