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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 7+k ≤2^k .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        7 + k ≤2 ^ k         (1)

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    From inequality(1)：
         k ≤ -6.992145 或  k ≥ 3.375046

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    The final solution set is :
         k ≤ -6.992145 或  k ≥ 3.375046

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