Correct. For the points to continue to represent a function, a vertical line running through $\displaystyle{\left({n},{4}\right)}\usepackage{cmbright}\Huge\$ cannot intersect another point on the graph. The graph has points with x-values $\displaystyle-{5},-{4},-{3},-{1},{0},{1},{2},{3},{4},\usepackage{cmbright}\Huge\$ and 5. The only remaining x-value is $\displaystyle-{2}\usepackage{cmbright}\Huge\$ . This must be the value of n.