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Rational function
01
有理函数, 分式函数
a function that can be expressed as the ratio of two polynomials, where the denominator is not zero
Example
To find the vertical asymptotes of a rational function, set the denominator equal to zero and solve for
要找到有理函数的垂直渐近线，将分母设为零并解出
The graph of a rational function can have holes where the numerator and denominator have common factors that cancel out.
有理函数的图像可能会有孔，这些孔出现在分子和分母有共同因子并且能够相互抵消的地方。
