题目
题目

MAT-265-OD24-02-7799 Prior Knowledge Check

多项填空题

Find the Domain Find the domain of the function. g(x)=x+3x2−81\displaystyle g\left(x\right)=\frac{x+3}{x^2-81} The domain is (−∞,(-\infty,[Fill in the blank] )∪()\cup([Fill in the blank] ,[Fill in the blank] )∪()\cup([Fill in the blank] ,∞),\infty)

查看解析

查看解析

标准答案
Please login to view
思路分析
We start by identifying the domain of g(x) = (x + 3) / (x^2 − 81). The denominator x^2 − 81 factors as (x − 9)(x + 9), so the function is undefined where the denominator is zero, i.e., at x = 9 and x = −9. Therefore, these two values must be excluded from the domain. Next, we express the domain as a un......Login to view full explanation

登录即可查看完整答案

我们收录了全球超50000道考试原题与详细解析,现在登录,立即获得答案。

类似问题

Part 1Find the domain of the function ​f(x)equals=StartFraction x squared minus 4 Over x squared minus 9 EndFractionx2−4x2−9. Part 1The domain is [input]enter your response here .​(Type your answer in interval​ notation.)

Find the domain of the function.  Write your answer in interval notation.  Use inf for .

What is the domain of the following function? \[f(x) = \sqrt {\frac {19 x}{x^{2} - 36}}\]

State the domain of the following function in the graph below. (K:1)

更多留学生实用工具

加入我们，立即解锁 海量真题 与 独家解析，让复习快人一步！