选项 A 中,分母不能为 0,所以 x - 1 ≠ 0,即 x ≠ 1,定义域不是所有实数。选项 B 中,根号下的数须大于等于 0,即 x - 1 ≥ 0,x ≥ 1,定义域不是所有实数。选项 C 中,对于任何实数 x,x^2 都有意义,定义域为所有实数。选项 D 中,对数中的真数须大于 0,即 x - 1 > 0,x > 1,定义...
百度试题 结果1 题目What is the domain of f(x) = e?A. all real numbers B. all integers C. {x|x ≤ 0} D. {x|x ≥ 0} 相关知识点: 试题来源: 解析 A 反馈 收藏
What does all real numbers mean in domain? What is the domain and range of the relation y = 2(x-5)^{2} + 8? What is the domain and range of the relation {(2, 4),(4, 8),(8, 16)}? What is the range of the function f(x) = 6x + 5 for the domain...
The domain of the function f(x)=1/x is? A. All real numbers B. All positive real numbers C. All negative real numbers D. All real numbers E. xcept 0 相关知识点: 试题来源: 解析 D。解析:函数 f(x)=1/x,当 x=0 时,分母为 0,无意义。所以定义域是所有实数除了 0。
aThe general principles that need to be considered in determining the “authorization date” of the financial statements are set out as follows:[translate] aare all real numbers, following our definitions using the kp method. 是所有实数,从事我们的定义运用k p方法。[translate]...
P: x≥-10 Q: x≥10R: |x|≤10Which of the following indicates the intersection of sets P, Q, and R? ( ) A. x= any real number B. x≥-10 C. x≥10 D. x=10 E. -10≤ x≤10 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
ashall by two,by you by,lunch order show key lie 由二将,由您,午餐顺序展示钥匙谎言[translate] a一个很大的朋友圈 A very big friend encircles[translate] aname all sets of numbers to which each real number belongs 正在翻译,请等待... [translate]...
For all real numbersx,y, andz, let . For what value ofais equal to 选项: A、A–1 B、B0 C、C1 D、D5 E、EAll values of a. 答案: B 经典答疑 发起提问 提问: 点此查看答疑 这道题我不懂x,y,z上面画了条线段什么意思?看不懂这道题改怎么做,请老师解答。
Suppose the function g(x) has a domain of all real numbers. The second derivative of g(x) is shown below.
a,b,c,d are all real numbers. Which one of the following statements is NOT TRUE? - 未答 A. B. C. D. 你可能感兴趣的试题 判断题 形容词一般情况下可以带宾语。 正确 错误 答案:错误 手机看题 单项选择题 下列关于股利分配的说法中,错误的是( )。...