The domain is the set of inputs, or x-coordinates: $\displaystyle{\left\lbrace-{6},-{3},{0},{1},{4}\right\rbrace}\usepackage{cmbright}\Huge\$ .

The range is the set of outputs, or y-coordinates: $\displaystyle{\left\lbrace-{5},{1},{6},{9},{15}\right\rbrace}\usepackage{cmbright}\Huge\$ .