The graph of (x^2-1)y=x^2-4has:A.one horizontal and one vertical asymptotesB.two vertical but no horizontal asymptotesC.one horizontal and two vertical asympototesD.two horizontal and two vertical asymptotesE.neither a horizontal nor a vertical asymp
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![The graph of (x^2-1)y=x^2-4has:A.one horizontal and one vertical asymptotesB.two vertical but no horizontal asymptotesC.one horizontal and two vertical asympototesD.two horizontal and two vertical asymptotesE.neither a horizontal nor a vertical asymp](/uploads/image/z/2303235-27-5.jpg?t=The+graph+of+%28x%5E2-1%29y%3Dx%5E2-4has%3AA.one+horizontal+and+one+vertical+asymptotesB.two+vertical+but+no+horizontal+asymptotesC.one+horizontal+and+two+vertical+asympototesD.two+horizontal+and+two+vertical+asymptotesE.neither+a+horizontal+nor+a+vertical+asymp)
The graph of (x^2-1)y=x^2-4has:A.one horizontal and one vertical asymptotesB.two vertical but no horizontal asymptotesC.one horizontal and two vertical asympototesD.two horizontal and two vertical asymptotesE.neither a horizontal nor a vertical asymp
The graph of (x^2-1)y=x^2-4has:
A.one horizontal and one vertical asymptotes
B.two vertical but no horizontal asymptotes
C.one horizontal and two vertical asympototes
D.two horizontal and two vertical asymptotes
E.neither a horizontal nor a vertical asymptote
The graph of (x^2-1)y=x^2-4has:A.one horizontal and one vertical asymptotesB.two vertical but no horizontal asymptotesC.one horizontal and two vertical asympototesD.two horizontal and two vertical asymptotesE.neither a horizontal nor a vertical asymp
答案为E
正确解法:用x表示y,如果分子中x的指数大于分母中x的指数,则无asymptotes
同理,用y表示x,如果分子中y的指数大于分母中y的指数,则无asymptotes