Let f(x)=3x2\displaystyle {f{{\left({x}\right)}}}={3}{x}^{{2}}

If g(x)\displaystyle {g{{\left({x}\right)}}} is the graph of f(x)\displaystyle {f{{\left({x}\right)}}} shifted up 5 units and left 4 units, write a formula for g(x)\displaystyle {g{{\left({x}\right)}}}