P24Lesson 10 There is a horse under the tree P1 25:40 P25Lesson 10 There is a horse under the tree Revision 26:04 P26Lesson 11 There isn't any bread in the fridge P1 25:06 P27Lesson 11 There isn't any bread in the fridge P2 ...
Consider the function f(x) = √(x - 1). What is the domain of this function? A. x ≥ 1 B. x > 1 C. x ≥ 0 D. x > 0 相关知识点: 试题来源: 解析 A。因为根号下的数必须非负,所以 x - 1 ≥ 0,即 x ≥ 1,A 选项正确。
Select the correct answer.What is the inverse of function f?f(x)=√x+7OB. f^(-1)(x)=x^2+7,forx≥-7 相关知识点: 试题来源: 解析 (N=√x+7) x=√((v)+7) x-7=√(5-x) f'(x)=(x-7)^2 for x≥7 qpionc 反馈 收藏 ...
If the domain of the function f given by f(x)= 1(1-x^2) is \( x:|x|>1\) , what is the range of f? ( ) A. \( x:-∞ x -1\) B. \( x:-∞ x0\) C. \( x:-∞ x1\) D. \( x:-1 x∞ \) E. \( x:0 x<∞ \) ...
There is a new function f(x)=3x^2+2x-1. What is the value of f(2)? A. 15 B. 16 C. 17 D. 18 相关知识点: 试题来源: 解析 A。本题先将 x=2 代入函数 f(x)=3x^2+2x-1,得到 f(2)=3×2²+2×2-1=12+4-1=15。
结果1 题目【题目】What is the inverse of the functionh(x)=3/2(x-11) h^(-1)(x)=▱ 相关知识点: 试题来源: 解析 【解析】y(—11)saveforxinfermsofySo.y=3/2(x-11) ⇒2/3y=x-11 x=2/3y+11 h^+(x)=2/3x+11 反馈 收藏 ...
百度试题 结果1 题目Consider the function f(x)=(x−1)(x+2)(x−3). What is the sum of the zeros of this function?A:−2B:2C:−3D:4 相关知识点: 试题来源: 解析 B None 反馈 收藏
In mathematics, an inverse function or the anti-function is a function that can reverse into another function. The inverse of a function f(x) is denoted as f−1(x). Finding the inverse of a function f(x), first, we need to replace function with y, and next, we replace all x ...
百度试题 结果1 题目What is the inverse of the function3h(x)=3/2(x-11) h^(-1)(x)= 相关知识点: 试题来源: 解析 y=3/2(x-11) saeforxinfermsofyS.y=3/2(x-11) ⇒2/3y=x-11 x=2/3y+11 h^(+1)(x)=2/3x+11 反馈 收藏 ...
结果1 题目 What is the function of the curve above? (1) y = x^3 - x^2 (2) y = - x^3 + x^2 (3) y = - x^3 +x (4) y = x^3 - x (5) y = x^3 + x 相关知识点: 试题来源: 解析 [答案](4) 反馈 收藏 ...