F(x)=4|x-1| what direction does the graph move and how far

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Do you mind if you guys me with this question i’m on number 8

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.