Incorrect. Substitute 3 for x in the function to get $\displaystyle{g{{\left({3}\right)}}}={4}{\left({3}\right)}-{7}\usepackage{cmbright}\Huge\$ , and simplify the expression to find $\displaystyle{g{{\left({3}\right)}}}\usepackage{cmbright}\Huge\$ . The correct answer is 5.