Katrina drinks 0.5 gallons of water per day. which expression show how to fund the number of cups of water she drink in a week ?
there are 17 cups in a gallon

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.