Question 964939
{{{y=3x^(-2)=3/x^2}}}
So all values are allowed in the domain except {{{x<>0}}}.
Since the denominator is a square, it's always positive. 
So the entire function is always positive.
Asymptote as x approaches {{{infinity}}} is {{{y=0}}}.
So the range is ({{{0}}},{{{infinity}}}).
*[illustration xrf.JPG].