1.设集合A={x|-3≤x≤2},B={x|2k-1≤x≤2k+1},则实数K的取值范围___2.函数f(x)的定义域为[a,b],且b>-a>0,则F(x)=f(x)-f(-x)的定义域___3.若函数f(x)=(K-2)x^+(K-1)x+3 是偶函数,则f(x)的递减区间是___4.已知x∈[0,1],则
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![1.设集合A={x|-3≤x≤2},B={x|2k-1≤x≤2k+1},则实数K的取值范围___2.函数f(x)的定义域为[a,b],且b>-a>0,则F(x)=f(x)-f(-x)的定义域___3.若函数f(x)=(K-2)x^+(K-1)x+3 是偶函数,则f(x)的递减区间是___4.已知x∈[0,1],则](/uploads/image/z/1621934-62-4.jpg?t=1.%E8%AE%BE%E9%9B%86%E5%90%88A%3D%7Bx%7C-3%E2%89%A4x%E2%89%A42%7D%2CB%3D%7Bx%7C2k-1%E2%89%A4x%E2%89%A42k%2B1%7D%2C%E5%88%99%E5%AE%9E%E6%95%B0K%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4___2.%E5%87%BD%E6%95%B0f%28x%29%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E4%B8%BA%5Ba%2Cb%5D%2C%E4%B8%94b%3E-a%3E0%2C%E5%88%99F%28x%29%3Df%28x%29-f%28-x%29%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F___3.%E8%8B%A5%E5%87%BD%E6%95%B0f%28x%29%3D%28K-2%29x%5E%2B%28K-1%29x%2B3+%E6%98%AF%E5%81%B6%E5%87%BD%E6%95%B0%2C%E5%88%99f%28x%29%E7%9A%84%E9%80%92%E5%87%8F%E5%8C%BA%E9%97%B4%E6%98%AF___4.%E5%B7%B2%E7%9F%A5x%E2%88%88%5B0%2C1%5D%2C%E5%88%99)
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