She density of an object is equal to the quotient of its mass, m , and volume, v. An object has density of 10 grams per liter and a volume of 40 liters. What is it's mass in grams?

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.