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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 569.01*n-207.2399+((20*n+78.92)*((n-5.75)^2))/3-1.2*(181.79*n+278.7455+(13.33*(n^3)+210.93091*(n^2))/6) ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        569.01 * n - 207.2399 + ( ( 20 * n + 78.92 ) * ( ( n - 5.75 ) ^ 2 ) ) / 3 - 1.2 * ( 181.79 * n + 278.7455 + ( 13.33 * ( n ^ 3 ) + 210.93091 * ( n ^ 2 ) ) / 6 ) ≥0         (1)

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    From inequality(1)：
         -0.918511 ≤ n ≤ 4.586046 或  n ≥ 19.465155

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    The final solution set is :
         -0.918511 ≤ n ≤ 4.586046 或  n ≥ 19.465155

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