To Find Vertical Asymptotes: In order to find the vertical asymptotes of a rational function, you need to have the function in factored form. You also will need to find the zeros of the function. For example, the factored function #y = (x+2)/ ( (x+3) (x-4)) # has zeros at x = - 2, x = - 3 and x = 4. *If the numerator and denominator have no ... More @Wikipedia
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