Incorrect.

Evaluate the function for each input, x, to find the output, $\displaystyle{f{{\left({x}\right)}}}\usepackage{cmbright}\Huge\$ .

$\displaystyle{f{{\left({0}\right)}}}=\frac{{1}}{{3}}{{\left({0}\right)}}^{{2}}+{1}\usepackage{cmbright}\Huge\$

$\displaystyle{f{{\left({3}\right)}}}=\frac{{1}}{{3}}{{\left({3}\right)}}^{{2}}+{1}\usepackage{cmbright}\Huge\$

$\displaystyle{f{{\left({9}\right)}}}=\frac{{1}}{{3}}{{\left({9}\right)}}^{{2}}+{1}\usepackage{cmbright}\Huge\$