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答案:
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1.若f(O)=0,(0)=0,求f(u)的表达式
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2.若f‘(0)=0,则f(0)=0
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3.若A . f(3) f(4) > 0 B . f( - 3) - f( - 2) < 0 C . f( - 2) f( - 5) < 0 D . f(4) - f( - 1) > 0
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4.解析:∵f(0)=0,f(1)=f(0)=0,f(2)=f(-1)=0,f(3)=f(-2)=0,f(4)=f(-3)=0,f(5)=f(-4)=0,∴f(1) f(2) f(3) f(4) f(5)=
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5.假设f''(x)<0,f(0)=0,p>0,q>0,那么
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6.若函数f(x)在[0, +∞]内可导,且f`(x) >0,xf(0) <0则f(x)在[0,+ ∞]内有( )
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7.若f(x)=x2 bx c,且f(1)=0,f(3)=0,则f(-1)=______.
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8.若f(0)=1,证明:f(x)≥ef’(0)x (x∈R).
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9.设f(x)在x=0处可导且f(0)=0,求
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10.x,x>0已知f(x)=求f(x),并求f(x)的极值e 1,x≤0,