Afruit drink company tested a new flavor. in a test 22% of the people taking part liked the new flavor. if 33 people liked the new flavor, how many people took the test

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.