Question 1179075
<pre>
{{{drawing(400,400,-10,10,-10,10,

graph(400,400,-10,10,-10,10,(x^2-5)*sqrt(x)/sqrt(x)),

graph(400,400,-10,10,-10,10,(sqrt(x+5))*sqrt(cos(8x))/sqrt(cos(8x))) )}}}


{{{f(x)=x^2-5}}}, x ≥ 0, domain [0,∞), range [-5,∞)
{{{y=x^2-5}}}
{{{x=y^2-5}}}
{{{x+5=y^2}}}
{{{sqrt(x+5)=y}}}
<font size=4>f<sup>-1</sup></font>(x) = {{{sqrt(x+5)}}}, x ≥ -5, domain [-5,∞), range [0,∞)

Edwin</pre>