1.集合A={(x,y)|x∧2+mx-y+2=0},集合B={(x,y)|x-y+1=0,且0≤X≤2}又A∩B≠空集,求实数m的取值范围2.当x=__时,函数f(x)=(x-a1)∧2+(x-a2)∧2+……+(x-an)∧2取得最小值3.对于任意函数,函数f(x)=(5-a)x∧2-6x+a+5恒为
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![1.集合A={(x,y)|x∧2+mx-y+2=0},集合B={(x,y)|x-y+1=0,且0≤X≤2}又A∩B≠空集,求实数m的取值范围2.当x=__时,函数f(x)=(x-a1)∧2+(x-a2)∧2+……+(x-an)∧2取得最小值3.对于任意函数,函数f(x)=(5-a)x∧2-6x+a+5恒为](/uploads/image/z/4327363-19-3.jpg?t=1.%E9%9B%86%E5%90%88A%3D%7B%28x%2Cy%29%EF%BD%9Cx%E2%88%A72%2Bmx-y%2B2%3D0%7D%2C%E9%9B%86%E5%90%88B%3D%7B%28x%2Cy%29%EF%BD%9Cx-y%2B1%3D0%2C%E4%B8%940%E2%89%A4X%E2%89%A42%7D%E5%8F%88A%E2%88%A9B%E2%89%A0%E7%A9%BA%E9%9B%86%2C%E6%B1%82%E5%AE%9E%E6%95%B0m%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B42.%E5%BD%93x%3D__%E6%97%B6%2C%E5%87%BD%E6%95%B0f%28x%29%3D%28x-a1%29%E2%88%A72%2B%28x-a2%29%E2%88%A72%2B%E2%80%A6%E2%80%A6%2B%28x-an%29%E2%88%A72%E5%8F%96%E5%BE%97%E6%9C%80%E5%B0%8F%E5%80%BC3.%E5%AF%B9%E4%BA%8E%E4%BB%BB%E6%84%8F%E5%87%BD%E6%95%B0%2C%E5%87%BD%E6%95%B0f%28x%29%3D%285-a%29x%E2%88%A72-6x%2Ba%2B5%E6%81%92%E4%B8%BA)
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1.集合A={(x,y)|x∧2+mx-y+2=0},集合B={(x,y)|x-y+1=0,且0≤X≤2}又A∩B≠空集,求实数m的取值范围2.当x=__时,函数f(x)=(x-a1)∧2+(x-a2)∧2+……+(x-an)∧2取得最小值3.对于任意函数,函数f(x)=(5-a)x∧2-6x+a+5恒为
1.集合A={(x,y)|x∧2+mx-y+2=0},集合B={(x,y)|x-y+1=0,且0≤X≤2}
又A∩B≠空集,求实数m的取值范围
2.当x=__时,函数f(x)=(x-a1)∧2+(x-a2)∧2+……+(x-an)∧2取得最小值
3.对于任意函数,函数f(x)=(5-a)x∧2-6x+a+5恒为正值,求a的取值范围
4.已知函数y=f(x)的图像关于直线x=-1对称,且当x属于(0,+∞)时,有f(X)=1/x ,则当x属于(-∞,-2)时,f(x)的解析式
A -1/x B.-1/(x-2) C.1/(x+2) D.-1/(x+2)
1.集合A={(x,y)|x∧2+mx-y+2=0},集合B={(x,y)|x-y+1=0,且0≤X≤2}又A∩B≠空集,求实数m的取值范围2.当x=__时,函数f(x)=(x-a1)∧2+(x-a2)∧2+……+(x-an)∧2取得最小值3.对于任意函数,函数f(x)=(5-a)x∧2-6x+a+5恒为
A交B不等于空集,则方程组x^2+mx-y+2=0 ①,x-y+1=0 ② 有实数解,且0
集合A={(x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0
已知集合A={(x,y)|y=x的平方+mx+2}.B={(x,y)|x
集合A={(x,y)|x^2+mx-y+2=0},集合B={(x,y)|x-y+1=0,且0
集合A={(x,y)|x^2+mx-y+2=0},集合{(x,y)|x-y+1=0,且0
已知集合A={(x,y)|x2+mx-y+2=0}...
已知集合A={x|x^2+mx+2m
设集合A={x|x^2+mx+1=0,x∈R},B=y|y
设集合A={x|x^2+mx+1=0,x∈R},B=y|y
设集合A={(x,y)|y=x^2+mx+2},B={(x,y)|x-y+1=0,x
已知集合A={(x,y)|x*x+mx-y+2=0},B={(x,y)|x-y+1=o,0
已知集合A={(x,y)|x*x+mx-y+2=0},B={(x,y)|x-y+1=o,0
1.设全集U={X不好意思打错了~集合A={(x,y)|x2+mx-y+2=0},集合B={(x,y)|x-y+1=0,且0
已知集合A={(x,y)|x^2+mx+2=y},B={(x,y)|x-y+1=0,0
集合A={(x,y)|x^2+mx-y+2=0} B={(x,y)|x-y+1=0,0
集合A={(x,y)|x^2+mx-y+2=0} B={(x,y)|x-y+1=0,0
已知集合A=(x,y))∣x^2+mx-y+2=0,B=(x,y))∣x-y+1=0,0
已知集合A={(x,y)|x^2+mx-y+2=0},B={(x,y)|x-y+1=0,0
高二数学题难死了集合A={(x,y)丨y=-x^2+mx-1},B={(x,y)丨y=3-x,0