Correct. The four y-values are $\displaystyle{{6}}^{{0}}\usepackage{cmbright}\Huge\$ , $\displaystyle{{6}}^{{1}}\usepackage{cmbright}\Huge\$ , $\displaystyle{{6}}^{{2}}\usepackage{cmbright}\Huge\$ , and $\displaystyle{{6}}^{{3}}\usepackage{cmbright}\Huge\$ , which in turn are equal to 1, 6, 36, and 216.