f(x)=3x+4

\(\displaystyle{g{{\left({x}\right)}}}=\sqrt{}\)

\(\displaystyle{g{{\left({f{{\left({x}\right)}}}\right)}}}=\sqrt{{{3}{x}+{4}}}\)

\(\displaystyle{g{{\left({x}\right)}}}=\sqrt{}\)

\(\displaystyle{g{{\left({f{{\left({x}\right)}}}\right)}}}=\sqrt{{{3}{x}+{4}}}\)