extreme f(x)=8-2x+4y-x^2-4y^2
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extreme\:f(x)=8-2x+4y-x^{2}-4y^{2}
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f(x,y)=x^2+2xy+2y^2-6x+10y+2
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f(x,y)=x^{2}+2xy+2y^{2}-6x+10y+2
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extreme f(x)=(x^2)/(1-x)
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extreme\:f(x)=\frac{x^{2}}{1-x}
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extreme f(x)=sqrt(4-x^2),-1<= x<= 2
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extreme\:f(x)=\sqrt{4-x^{2}},-1\le\:x\le\:2
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extreme f(x)= 1/(x^2+2x+2)
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extreme\:f(x)=\frac{1}{x^{2}+2x+2}
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定义域 y=(x-1)/2
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定义域\:y=\frac{x-1}{2}
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extreme f(x)= 1/(1+|x|)+1/(1+|x-2|)
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extreme\:f(x)=\frac{1}{1+\left|x\right|}+\frac{1}{1+\left|x-2\right|}
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extreme x^3+6x^2
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extreme\:x^{3}+6x^{2}
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extreme f(x)=(3x)/(x^2+9)
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extreme\:f(x)=\frac{3x}{x^{2}+9}
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extreme f(x,y)=10xy-x^3-5y^2
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extreme\:f(x,y)=10xy-x^{3}-5y^{2}
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extreme f(x)=ln(7-2x^2)
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extreme\:f(x)=\ln(7-2x^{2})
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extreme f(x)=(x^3)/3-(x^2)/2-6x+4
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extreme\:f(x)=\frac{x^{3}}{3}-\frac{x^{2}}{2}-6x+4
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extreme x/(x^2+13x+36)
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extreme\:\frac{x}{x^{2}+13x+36}
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extreme f(x)=2x^3-12x^2+6
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extreme\:f(x)=2x^{3}-12x^{2}+6
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extreme f(x)=2x^3-12x^2+4
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extreme\:f(x)=2x^{3}-12x^{2}+4
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extreme f(x)=x^3-6x^2+12x+4
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extreme\:f(x)=x^{3}-6x^{2}+12x+4
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求反函数 f(x)=3^x-9
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求反函数\:f(x)=3^{x}-9
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extreme f(x)=x^{2/3}-1
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extreme\:f(x)=x^{\frac{2}{3}}-1
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extreme f(x)=48xy-32x^3-24y^2
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extreme\:f(x)=48xy-32x^{3}-24y^{2}
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extreme f(x)=x^3-6x^2+12x-3
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extreme\:f(x)=x^{3}-6x^{2}+12x-3
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extreme f(x)=x^3-x+1
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extreme\:f(x)=x^{3}-x+1
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f(x,y)=9x^2+2y^2-xy^2
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f(x,y)=9x^{2}+2y^{2}-xy^{2}
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extreme f(x)= 1/x ,1<x<3
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extreme\:f(x)=\frac{1}{x},1<x<3
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f(x,y)=x^2-y^2+6xy+4x-8y+2
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f(x,y)=x^{2}-y^{2}+6xy+4x-8y+2
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extreme (x+1)/(sqrt(x^2+1))
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extreme\:\frac{x+1}{\sqrt{x^{2}+1}}
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f(x,y)=xy^2+12x^3y-xy
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f(x,y)=xy^{2}+12x^{3}y-xy
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extreme f(x)=(2x-4)/(x-1)
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extreme\:f(x)=\frac{2x-4}{x-1}
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平行线 y=x-3,\at (3,-2)
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平行线\:y=x-3,\at\:(3,-2)
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f(x,y)=ln(e^x+e^y)
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f(x,y)=\ln(e^{x}+e^{y})
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extreme y=x^2-4x-5
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extreme\:y=x^{2}-4x-5
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extreme x^3-6x^2+9x+9
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extreme\:x^{3}-6x^{2}+9x+9
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f(x,y)=16-x^2-y^2
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f(x,y)=16-x^{2}-y^{2}
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extreme f(x,y)=3y^3+5x^2y-24x^2-24y^2-2
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extreme\:f(x,y)=3y^{3}+5x^{2}y-24x^{2}-24y^{2}-2
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f(x,y)=2x^3+3y^2-4xy-4
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f(x,y)=2x^{3}+3y^{2}-4xy-4
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extreme f(x)=14+4x-x^2,0<= x<= 5
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extreme\:f(x)=14+4x-x^{2},0\le\:x\le\:5
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最小值-1.8x^2+7x-11
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最小值\:-1.8x^{2}+7x-11
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extreme f(x,y)=2ln(x)+ln(y)-4x-y
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extreme\:f(x,y)=2\ln(x)+\ln(y)-4x-y
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f(x,y)=3x+y
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f(x,y)=3x+y
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inflection points f(x)=(x^2+7)/(x^2-1)
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inflection\:points\:f(x)=\frac{x^{2}+7}{x^{2}-1}
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f(t)=(1+2t-3t^2+4t^3)u(t-2)
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f(t)=(1+2t-3t^{2}+4t^{3})u(t-2)
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extreme f(x)=3x^3-9x^2
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extreme\:f(x)=3x^{3}-9x^{2}
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extreme f(x)=-2/5 x^5+5x^4-16x^3-19
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extreme\:f(x)=-\frac{2}{5}x^{5}+5x^{4}-16x^{3}-19
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extreme f(x)=-0.2x^3+969x-870
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extreme\:f(x)=-0.2x^{3}+969x-870
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extreme f(x)=x^4+x^3-4x^2-4x
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extreme\:f(x)=x^{4}+x^{3}-4x^{2}-4x
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extreme f(x)=7x+1+2/(x-2)
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extreme\:f(x)=7x+1+\frac{2}{x-2}
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extreme f(x)=x^3+2xy-2x-4y
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extreme\:f(x)=x^{3}+2xy-2x-4y
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extreme f(x)=2x(4-x^2)
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extreme\:f(x)=2x(4-x^{2})
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extreme x+5/x
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extreme\:x+\frac{5}{x}
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extreme f(x)=x^2+3x+1
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extreme\:f(x)=x^{2}+3x+1
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定义域 f(x)=x^2+2x
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定义域\:f(x)=x^{2}+2x
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值域 f(x)=x^3-x
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值域\:f(x)=x^{3}-x
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extreme f(x)= x/(49+x^2)
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extreme\:f(x)=\frac{x}{49+x^{2}}
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extreme x-\sqrt[3]{x}
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extreme\:x-\sqrt[3]{x}
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extreme x^3-15xy+y^3
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extreme\:x^{3}-15xy+y^{3}
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extreme f(x)=3x+1+1/(x-1)
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extreme\:f(x)=3x+1+\frac{1}{x-1}
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extreme f(x)=x^3-9x^2+24x-2,0<= x<= 5
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extreme\:f(x)=x^{3}-9x^{2}+24x-2,0\le\:x\le\:5
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extreme f(x)=9x^5-2x^4-2x^3+4
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extreme\:f(x)=9x^{5}-2x^{4}-2x^{3}+4
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extreme 3x^2-12x-15
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extreme\:3x^{2}-12x-15
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extreme f(x)=xy+9/x+3/y
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extreme\:f(x)=xy+\frac{9}{x}+\frac{3}{y}
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extreme f(x)=x^3-3x^2+b
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extreme\:f(x)=x^{3}-3x^{2}+b
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extreme x^3+6x^2+12x+2
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extreme\:x^{3}+6x^{2}+12x+2
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值域 f(x)=sqrt(5-x)
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值域\:f(x)=\sqrt{5-x}
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extreme f(x)=27x-x^3
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extreme\:f(x)=27x-x^{3}
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f(x,y)=3x^2y+y^3-3x^2-3y^2+2
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f(x,y)=3x^{2}y+y^{3}-3x^{2}-3y^{2}+2
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extreme f(x)= 1/x+ln(x),e^{-1}<= x<= e
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extreme\:f(x)=\frac{1}{x}+\ln(x),e^{-1}\le\:x\le\:e
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extreme f(x)=x^2-y^2-x-y
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extreme\:f(x)=x^{2}-y^{2}-x-y
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extreme f(x)=x+1/x ,(0.2,4)
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extreme\:f(x)=x+\frac{1}{x},(0.2,4)
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extreme f(x)=3x^4-4x^3-12x^2+17
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extreme\:f(x)=3x^{4}-4x^{3}-12x^{2}+17
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extreme x^2-6x+7
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extreme\:x^{2}-6x+7
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extreme f(x)=x^3+6x^2+9x-8
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extreme\:f(x)=x^{3}+6x^{2}+9x-8
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f(x,y)=x^3-y^3-2xy+10
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f(x,y)=x^{3}-y^{3}-2xy+10
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extreme x^2+2x-3
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extreme\:x^{2}+2x-3
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截距 5e^{-(x+1)^2}
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截距\:5e^{-(x+1)^{2}}
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extreme f(x)=2x^2-8x,0<= x<= 6
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extreme\:f(x)=2x^{2}-8x,0\le\:x\le\:6
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extreme x^2+2x-8
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extreme\:x^{2}+2x-8
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最小值 y=2x^3-21x^2+60x+4
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最小值\:y=2x^{3}-21x^{2}+60x+4
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extreme f(x)=(x+1)^5-5x-3
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extreme\:f(x)=(x+1)^{5}-5x-3
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extreme a^3y=x^2(2a^2x^2)
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extreme\:a^{3}y=x^{2}(2a^{2}x^{2})
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extreme f(x,y)=((1+x-y))/(sqrt(1+x^2+y^2))
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extreme\:f(x,y)=\frac{(1+x-y)}{\sqrt{1+x^{2}+y^{2}}}
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extreme f(x,y)=x^3-15xy+y^3
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extreme\:f(x,y)=x^{3}-15xy+y^{3}
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extreme f(x)=x^3-5x^2-8x+3
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extreme\:f(x)=x^{3}-5x^{2}-8x+3
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extreme f(x)=2x^2+3y^2-4x-12y+13
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extreme\:f(x)=2x^{2}+3y^{2}-4x-12y+13
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extreme f(x)=5-6x^2-2x^3
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extreme\:f(x)=5-6x^{2}-2x^{3}
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截距 f(x)=x^4-9x^2
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截距\:f(x)=x^{4}-9x^{2}
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extreme 3/2 x^2+x^3+3y^2
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extreme\:\frac{3}{2}x^{2}+x^{3}+3y^{2}
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extreme f(x)= 3/x
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extreme\:f(x)=\frac{3}{x}
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extreme f(x,y)=(9+xy)(x+y)
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extreme\:f(x,y)=(9+xy)(x+y)
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y=u(t-1)-u(t-4)
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y=u(t-1)-u(t-4)
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extreme f(x)=sqrt(x)+\sqrt[3]{x}[0.4]
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extreme\:f(x)=\sqrt{x}+\sqrt[3]{x}[0.4]
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extreme f(x,y)=x^3+3xy+y^3
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extreme\:f(x,y)=x^{3}+3xy+y^{3}
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f(t)=x
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f(t)=x
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extreme f(x)=x^3-15x^2
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extreme\:f(x)=x^{3}-15x^{2}
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extreme f(x)=4x^3+21x^2-294x+9
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extreme\:f(x)=4x^{3}+21x^{2}-294x+9
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extreme f(x)=(4-x^2)^5
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extreme\:f(x)=(4-x^{2})^{5}
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截距 f(x)=-x^2+4x+4
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截距\:f(x)=-x^{2}+4x+4
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extreme x^4-3x^2
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extreme\:x^{4}-3x^{2}
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extreme f(x)=x^2-xy+y^2+2x+2y-4
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extreme\:f(x)=x^{2}-xy+y^{2}+2x+2y-4
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最小值 2x+(27)/(x^2)
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最小值\:2x+\frac{27}{x^{2}}
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extreme f(x)=5x^2sqrt(1+x)
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extreme\:f(x)=5x^{2}\sqrt{1+x}
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extreme f(x)=x^3-3/2 x^2-18x
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extreme\:f(x)=x^{3}-\frac{3}{2}x^{2}-18x
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