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代数示例函数

判断是否为有理数

$g (x) = \frac{x^{3} - 12 x + 3}{x^{2} + x - 21 x^{5}}$

解题步骤 1

有理函数是指可以写成两个多项式函数比值的任何函数，其中分母不为 $0$ 。

$g (x) = \frac{x^{3} - 12 x + 3}{x^{2} + x - 21 x^{5}}$ 是一个有理函数

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Determining if Linear Rewriting as an Equation Rewriting as y=mx+b Solving Function Systems Find the Behavior (Leading Coefficient Test) Finding Ordered Pair Solutions Determining Odd and Even Functions Describing the Transformation Finding the Symmetry Arithmetic of Functions Domain of Composite Functions Finding Roots Using the Factor Theorem

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$