-vertical asymptote at x= -4 and x=2 -horizontal asymptote at y=0 -positive when x E (-4, 2) and negative when x E (-infinity, -4) U (2,8)
y = 1/((x+4)(x-2)) That's negative on (-4,2) so make it y = -1/((x+4)(x-2)) Done. check the graph at wolframalpha.com
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