Question

If g(x) = 4 then g(45) is

Answer 1

`\bf g(x)=4√(x)\qquad g(45)=4\sqrt{\boxed{45}} \\\\ now\ \begin{cases} 45\to 3\cdot 3\cdot 5\to 3^2\cdot 5 \end{cases} \\\\ thus\implies g(45)=4√(45)\implies g(45)=4√(3^2\cdot 5)\implies ?`