函数f(x)=x3-3x的递减区间是( ) A: (-∞,-62)或(62,+∞) B: (-1,1) C: (-∞,-1)或(1,+∞) D: (-62,62)
函数f(x)=x3-3x的递减区间是( ) A: (-∞,-62)或(62,+∞) B: (-1,1) C: (-∞,-1)或(1,+∞) D: (-62,62)
When was Ralph Waldo Emerson born? A: January 4, 1801 B: May 25, 1803 C: August 30, 1806 D: December 31, 1800
When was Ralph Waldo Emerson born? A: January 4, 1801 B: May 25, 1803 C: August 30, 1806 D: December 31, 1800
f(x)在[0,1]上有连续的二阶导数,f(0)=f(1)=0,任意x属于[0,...715af2ac3f81f8.png"]
f(x)在[0,1]上有连续的二阶导数,f(0)=f(1)=0,任意x属于[0,...715af2ac3f81f8.png"]
background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg
background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg
(1)已知函数f(x)x+2(x>=2)若f(f(f(k)))=25/4,求k
(1)已知函数f(x)x+2(x>=2)若f(f(f(k)))=25/4,求k
1/11,1/22,1/34,1/47,( ) A: 1/60 B: 1/61 C: 1/59 D: 1/62
1/11,1/22,1/34,1/47,( ) A: 1/60 B: 1/61 C: 1/59 D: 1/62
已知函数f(x)=-√3sin²x+sinxcosx.1.求f(25π/6)的值2.设a∈(0,π),f(a)=1/4-√3/2
已知函数f(x)=-√3sin²x+sinxcosx.1.求f(25π/6)的值2.设a∈(0,π),f(a)=1/4-√3/2
In 1803 the United States purchased Louisiana from _____.
In 1803 the United States purchased Louisiana from _____.
Photoshop常用的文件格式有() A: psd B: jpg C: png D: gⅰf
Photoshop常用的文件格式有() A: psd B: jpg C: png D: gⅰf
肠内营养输注的适宜温度为 A: 27℃ B: 25℃ C: 46℃ D: 37℃ E: 62℃
肠内营养输注的适宜温度为 A: 27℃ B: 25℃ C: 46℃ D: 37℃ E: 62℃