rational function

复数形式

rational functions

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

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。
To find the vertical asymptotes of a rational function, set the denominator equal to zero and solve for x.
要找到有理函数的垂直渐近线，将分母设为零并求解x。
To determine the domain of a rational function, exclude the values of x that make the denominator zero.
要确定有理函数的定义域，排除使分母为零的x值。
When graphing a rational function, it's important to identify any asymptotes and intercepts to understand its behavior.
绘制有理函数图形时，识别任何渐近线和截距以理解其行为非常重要。