You can put this solution on YOUR website! Graphing function :
f(x)= (2x)/(x^2+5x+4)
Factor so you can see where the vertical asymptotes are:
f(x) = 2x/[(x+4)(x+1)]
Vertical at x=-4 and at x=-1
Horizontal asymptote y = 0x^2/2x^2 = 0/2 = 0
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y-intercept at (0,0)
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Cheers,
Stan H.