lim f(x) = 2 x -> infinty

lim f(x) = -2 x-> - infinty

lim f(x) = - infinty x-> -4

lim f(x) = - infinty x-> 2-

lim f(x) = infinty x-> 2+

relative min of 0 at x=2

relative max of -0.900466 at x=0.442818

concave down (-infinty, -4) (-4,-2) (6.835351, infinty)

concave up (2,6.835351)

x-inter (4,0)

y-inter (0,-1)

vertical asymptotes at x=2, x=4