试求一个三次多项式f(x),使它满足f(-1)=f(-2)=f(-3)=0,且f(1)=24,
试求一个三次多项式f(x),使它满足f(-1)=f(-2)=f(-3)=0,且f(1)=24,
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)
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"]
已知f(x)是奇函数,且f(3)=1,若f(a)=-1,则a=( ) A: 3 B: -3 C: 1 D: -1
已知f(x)是奇函数,且f(3)=1,若f(a)=-1,则a=( ) A: 3 B: -3 C: 1 D: -1
随机变量X在区间(-1,2)上均匀分布,F(x)是X的分布函数,则以下结果正确的是 A: F(0.5)=0.5 B: F(1)=2/3 C: F(0)=0 D: F(-0.5)=0.5 E: F(1)=1/3 F: F(1.5)=3/4 G: F(2)=0 H: F(3)=0
随机变量X在区间(-1,2)上均匀分布,F(x)是X的分布函数,则以下结果正确的是 A: F(0.5)=0.5 B: F(1)=2/3 C: F(0)=0 D: F(-0.5)=0.5 E: F(1)=1/3 F: F(1.5)=3/4 G: F(2)=0 H: F(3)=0
已知函数f(x)满足:f(p+q)=f(p)f(q),f(1)=3,则f2(1)+f(2)f(1)+f2(2)+f(4)f(3)+f2(3)+f(6)f(5)+f2(4)+f(8)f(7)等于( )
已知函数f(x)满足:f(p+q)=f(p)f(q),f(1)=3,则f2(1)+f(2)f(1)+f2(2)+f(4)f(3)+f2(3)+f(6)f(5)+f2(4)+f(8)f(7)等于( )
函数[img=168x21]17e0c05ce814e8b.jpg[/img]的极大值是 A: f(-3) B: f(-1) C: f(1) D: f(3)
函数[img=168x21]17e0c05ce814e8b.jpg[/img]的极大值是 A: f(-3) B: f(-1) C: f(1) D: f(3)
已知f()=1-2x,则f(-1)=( )() A: -1 B: 3 C: -3 D: 1
已知f()=1-2x,则f(-1)=( )() A: -1 B: 3 C: -3 D: 1
【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)
f(x)=kx+b,且f(1)=-1,f(2)=-3
f(x)=kx+b,且f(1)=-1,f(2)=-3