David is the groundkeeper at Triangle Park. An image of the shape of the park is shown below. a)David needs to cut the grass. How many square yards of grass will he cut altogether?

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.