Find the domain and range of the following functions. Identify the dimensions of the space that the
function maps from and to.
Sketch the domain.
1. f(x,y)=tan(xy)
2. g(s,t)= [tex]e^{-st} ln(\frac{s}{t})[/tex]
3. l(u,v)= [tex]\sqrt{16-u^{3}-v }[/tex]