Question

4312345L2-3445To find the rate of change of the function, Kevin did the following:

Answer 1

`\begin{gathered} x_1=0,y_1=2,x_2=4,y_2=0 \\ \text{rate of change=}(y_2-y_1)/(x_2-x_1) \\ =(0-2)/(4-0)=-(2)/(4) \\ =-(1)/(2) \end{gathered}`