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.

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

1. What is the constant rate of change that represents how much Carla charges per hour?
2. What is the constant rate of change that represents how much Parrish charges per 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?

Answer 1

she charges 22, then goes 12 per hour. so, its 12x+22 i think

Answer 2

parrish charges more

Answer 3

1 sec

Answer 4

1. What is the constant rate of change that represents how much Carla charges per hour?
$9.50/ hr
2. What is the constant rate of change that represents how much Parrish charges per hour?
$12. hr
3. What is the fixed cost that Carla charges?
$15
4. What is the fixed cost that Parrish charges?
$10
5. Who charges more per hour?
perrish at $12/hr

Answer 5

aliciaa answered it questionwise for u ^