Let f(x)=(x+5)2\displaystyle {f{{\left({x}\right)}}}={\left({x}+{5}\right)}^{{2}}.

Find the inverse of f\displaystyle {f} restricted to [5,)\displaystyle {\left[-{5},\infty\right)} .

f1(x)=\displaystyle {{f}^{{-{1}}}{\left({x}\right)}}=