The table below shows number of children in various familiesFamilies 1. 2. 3. 4. 5No. of children. 1. 3. 1. 0. 4What is the average number of children per family

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.