定义在R上奇函数的f(x)周期为2,当0<x<1时,f(x)=4x,则f(-52)+f(1)=___.
定义在R上奇函数的f(x)周期为2,当0<x<1时,f(x)=4x,则f(-52)+f(1)=___.
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"]
设f(0)=0,f(1)=16,f(2)=46,则l1(x)=(),f(x)的二次牛顿插值多项式为N2(x)=()。
设f(0)=0,f(1)=16,f(2)=46,则l1(x)=(),f(x)的二次牛顿插值多项式为N2(x)=()。
设函数f(x)在区间[-2,2]上可导,且f′(x)>f(x)>0,则()。 A: f(-2)/f(-1)>1 B: f(0)/f(-1)>e C: f(1)/f(-1)<e<sup>2</sup> D: f(2)/f(-1)<e<sup>2</sup>
设函数f(x)在区间[-2,2]上可导,且f′(x)>f(x)>0,则()。 A: f(-2)/f(-1)>1 B: f(0)/f(-1)>e C: f(1)/f(-1)<e<sup>2</sup> D: f(2)/f(-1)<e<sup>2</sup>
f(x)=x2+bx+c,x∈R,有f(2+x)=f(2-x),则( ) A: f(1)<f(2)<f(4) B: f(2)<f(4)<f(1) C: f(4)<f(2)<f(1) D: f(2)<f(1)<f(4) E: f(1)<f(4)<f(2)
f(x)=x2+bx+c,x∈R,有f(2+x)=f(2-x),则( ) A: f(1)<f(2)<f(4) B: f(2)<f(4)<f(1) C: f(4)<f(2)<f(1) D: f(2)<f(1)<f(4) E: f(1)<f(4)<f(2)
设f(x)=x2+bx+x满足关系式f(1+x)=f(1-x),则下述结论中,正确的是( ). A: f(0)>f(1)>f(3) B: f(1)>f(0)>f(3) C: f(3)>f(1)>f(0) D: f(3)>f(0)>f(1) E: f(1)>f(3)>f(0)
设f(x)=x2+bx+x满足关系式f(1+x)=f(1-x),则下述结论中,正确的是( ). A: f(0)>f(1)>f(3) B: f(1)>f(0)>f(3) C: f(3)>f(1)>f(0) D: f(3)>f(0)>f(1) E: f(1)>f(3)>f(0)
【多选题】若f 1 (t) = ɛ (-t) , f 2 (t) = e t ,则f 1 (t)* f 2 (t) = A. f 1 ꞌ (t)* f 2 (–1) (t) B. f 1 (–1) (t)* f 2 ꞌ (t) C. f 1 (t-3)* f 2 (t+3) D. f 1 (–3) (t)* f 2 ꞌꞌꞌ (t)
【多选题】若f 1 (t) = ɛ (-t) , f 2 (t) = e t ,则f 1 (t)* f 2 (t) = A. f 1 ꞌ (t)* f 2 (–1) (t) B. f 1 (–1) (t)* f 2 ꞌ (t) C. f 1 (t-3)* f 2 (t+3) D. f 1 (–3) (t)* f 2 ꞌꞌꞌ (t)
已知直线AB的坐标方位角为131°13′08″,则直线AB的象限角是( )。 A: 北东48°46′52″ B: 南东48°46′52″ C: 北西48°46′52″ D: 南西48°46′52″
已知直线AB的坐标方位角为131°13′08″,则直线AB的象限角是( )。 A: 北东48°46′52″ B: 南东48°46′52″ C: 北西48°46′52″ D: 南西48°46′52″
递归函数f(1)=1,f(n)=f(n-1)+n(n>;1)的递归体是____________。 A: f(1)=1 B: F(0)=0 C: F D: F(n)=f(n-1)+n E: F(n)=n
递归函数f(1)=1,f(n)=f(n-1)+n(n>;1)的递归体是____________。 A: f(1)=1 B: F(0)=0 C: F D: F(n)=f(n-1)+n E: F(n)=n
【单选题】a设 f ( x ) 在 [ 0 , 1 ] 满足 f ′′ ( x ) > 0 ,则下列不等式中正确的是() A. f ′ ( 1 ) > f ′ ( 0 ) > f ( 1 ) − f ( 0 ) " role="presentation"> f ′ ( 1 ) > f ′ ( 0 ) > f ( 1 ) − f ( 0 ) B. f ′ ( 1 ) > f ( 1 ) − f ( 0 ) > f ′ ( 0 ) " role="presentation"> f ′ ( 1 ) > f ( 1 ) − f ( 0 ) > f ′ ( 0 ) C. f ( 1 ) − f ( 0 ) > f ′ ( 1 ) > f ′ ( 0 ) " role="presentation"> f ( 1 ) − f ( 0 ) > f ′ ( 1 ) > f ′ ( 0 ) D. f ′ ( 1 ) > f ( 0 ) − f ( 1 ) > f ′ ( 0 ) " role="presentation"> f ′ ( 1 ) > f ( 0 ) − f ( 1 ) > f ′ ( 0 )
【单选题】a设 f ( x ) 在 [ 0 , 1 ] 满足 f ′′ ( x ) > 0 ,则下列不等式中正确的是() A. f ′ ( 1 ) > f ′ ( 0 ) > f ( 1 ) − f ( 0 ) " role="presentation"> f ′ ( 1 ) > f ′ ( 0 ) > f ( 1 ) − f ( 0 ) B. f ′ ( 1 ) > f ( 1 ) − f ( 0 ) > f ′ ( 0 ) " role="presentation"> f ′ ( 1 ) > f ( 1 ) − f ( 0 ) > f ′ ( 0 ) C. f ( 1 ) − f ( 0 ) > f ′ ( 1 ) > f ′ ( 0 ) " role="presentation"> f ( 1 ) − f ( 0 ) > f ′ ( 1 ) > f ′ ( 0 ) D. f ′ ( 1 ) > f ( 0 ) − f ( 1 ) > f ′ ( 0 ) " role="presentation"> f ′ ( 1 ) > f ( 0 ) − f ( 1 ) > f ′ ( 0 )