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Rational function
01
有理函数, 有理分式
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，将分母设为零并求解
The graph of a rational function can have holes where the numerator and denominator have common factors that cancel out.
有理函数的图形可以在分子和分母有共同因子相消的地方有洞。
