This is the graph of a function in the form $\displaystyle{f{{\left({x}\right)}}}={{b}}^{{x}}\usepackage{cmbright}\Huge\$ , where $\displaystyle{b}>{1}\usepackage{cmbright}\Huge\$ . In the given function, $\displaystyle{0}<{b}<{1}\usepackage{cmbright}\Huge\$ .