设f(x)有二阶连续导数,并且对任何h>0,f(x)<1/2[f(x-h)+f(x+h)].则f’’(x)。()<img src="http://p.ananas.chaoxing.com/star3/origin/ba62ef47587b9f5ce3626eb5abf7589e.png"/>
设f和g在区间I上连续,记F(x)=,G(x)=,则F和G()。 <img src='\"http://p.ananas.chaoxing.com/star3/origin/dddbe7f3f9b0c3edfe0770c99a832bfc.png\"/'/> <img src='\"http://p.ananas.chaoxing.com/star3/origin/a013d5d7ee07b80ed131302ac09416ac.png\"/'/>
设<img src='https://img2.soutiyun.com/latex/latex.action' />则f(-x)=( )
设函数z=ysin(xy)+(1-y)arctanx+e<sup>-2y</sup>,则<img src='https://img2.soutiyun.com/latex/latex.action' />=( )
设f(x)在(-∞,+∞)内有定义,且<img src='https://img2.soutiyun.com/shangxueba/ask/1356001-1359000/1356782/ct_kgctem_kgctechoose_0091(106)1.jpg' />则().
设f(x)在[0,2]上连续,并且对任意的x∈[0,1]都有f(1-x)=-f(1+x),则<img src='https://img2.soutiyun.com/shangxueba/ask/1266001-1269000/1267381/ct_kgctem_kgctechoose_0020(106)1.jpg' />
设f(x)=x3+x,则<img src='https://img2.soutiyun.com/ask/uploadfile/1362001-1365000/3ff2fd11166763ad5f739dec1ea73572.jpg' />等于().
设f(x)为连续函数,则<img src='https://img2.soutiyun.com/ask/uploadfile/1674001-1677000/64d9e7c239d874f24da744e8ef602e4d.jpg' />等于().
若f(x)的一个原函数为arctanx,则下列等式正确的是A.∫arctanxdx=f(x)+CB.∫f(x)dx=arctanx+CC.∫arc
设函数f(x)在x0的某邻域内有定义,且<img src='https://img2.soutiyun.com/ask/2021-01-18/979839323585179.png' />,则()
设随机变量X~N(μ,1),Y~χ<sup>2</sup>(n),又X,Y相互独立,令<img src='https://img2.soutiyun.com/ask/uploadfile/6129001-6132000/c9a830a559f4268bd58657d7c3aa00fc.png' />,则下列结论正确的是()。
f(x)二阶可导,f&39;(0)=0,<img src='https://img2.soutiyun.com/latex/latex.action' />,则( ).
设f(x)以2π为周期,<img src='https://img2.soutiyun.com/ask/uploadfile/6681001-6684000/04820dd60870b1dd31e972d33b85c0e5.png' />,s(x)为f(x)的傅里叶级数、和函数,则( )
设<img src='https://img2.soutiyun.com/ask/2020-03-11/952811239855432.png' />,则x=1是f(x)在区间[-2,2]上的( ).
设<img src='https://img2.soutiyun.com/latex/latex.action' />,则点x=1是f(x)的( )。
设二维随机变量(X,Y)的分布函数为<img src='https://img2.soutiyun.com/ask/uploadfile/6663001-6666000/45f51949890b44017e315c766cce4df5.png' />,则常数A,B分别为( ).
设x和f分别表示各组的工资水平和工人人数,则<img src='https://img2.soutiyun.com/ask/2019-12-26/946224805017414.png' />反映的是( )。
设u=f(xyz),则<img src='https://img2.soutiyun.com/latex/latex.action' />=( )
设参数方程<img src='https://img2.soutiyun.com/shangxueba/ask/17670001-17673000/17672290/2015102617310076340.jpg' />,确定了y是x的函数,f″(t)存在且不为零,则d<sup>2</sup>y/d<sup>2</sup>x的值是:()
设f(x)为连续函数,且满足等式<img src='https://img2.soutiyun.com/shangxueba/ask/51381001-51384000/51383367/97672305236883.png' />则<img src='https://img2.soutiyun.com/shangxueba/ask/51381001-51384000/51383367/976723063701479.png' />=().
若f(x)为连续函数,且F'(x)=f(x),则<img src='https://img2.soutiyun.com/ask/2020-08-13/966175500936834.png' />().此题为判断题(对,错)。
设函数<img src='https://img2.soutiyun.com/shangxueba/ask/51060001-51063000/51061013/970054070213009.png' />求方程f(x)=0的根。
设函数f(x<sub>0</sub>)在x处可导,则<img src='https://img2.soutiyun.com/shangxueba/ask/18819001-18822000/18819878/2016030417262288150.jpg' />(),
设函数f(x)一阶连续可导.且f(0)=f&39;(0)=1,则<img src="https://img2.soutiyun.com/ask/2020-12-11/976544786128219.png"/>=().