试题与答案

当x∈[1,9]时,不等式|x2-3x|+x2+32≥kx恒成立,则k的取值范围

题型:填空题

题目:

当x∈[1,9]时,不等式|x2-3x|+x2+32≥kx恒成立,则k的取值范围是______.

答案:

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