Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -x^2/3+3.5*x-1 >= 3.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -x ^ 2 / 3 + 3.5 * x - 1 >= 3.5         (1)

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    From inequality(1)：
         3/2 ≤ x ≤ 9

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    The final solution set is :
         3/2 ≤ x ≤ 9

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