## anonymous 4 years ago f(x)= 1+7/x-4/x^2 vertical asymptote: x=0 horizontal asymptote: y=1 a) find where is the function increasing/decreasing? b) find the local max/min values c) find where the function is concave up/down, and the inflection points

$f(x)=1+\frac{ 7 }{ x }-\frac{ 4 }{ x^2 }$