[tex]\begin{gathered} m=\text{slope}=\frac{1}{2} \\ (2,-2) \\ \text{Function} \\ y=mx+b \\ y=\frac{1}{2}x+b \\ U\sin g\text{ point (2,-2) to find b} \\ -2=\frac{1}{2}(2)+b \\ -2=1+b \\ b=-2-1 \\ b=-3 \\ \text{hence} \\ y=\frac{1}{2}x-3 \\ \end{gathered}[/tex]
