Timothy 發問時間: 科學數學 · 5 年前

想請教 幾題 大學數學是非題 煩請數學大師替我看看 提供解答 可以的話 大概的解說 謝謝?

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想請教 幾題 大學數學是非題 煩請數學大師替我看看 提供解答 可以的話 大概的解說 謝謝

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  • 5 年前
    最佳解答

    1. wrong, A:domain; 2. wrong, f:A--->B; 3.yes; 4. yes; 5. wrong, change ">=" to ">"; 6. yes, you may define so though it it not the standard way; 7. yes; 8. wrong, "minimum" ---> "maximum" in general; 9. wrong, depends on the domain, some max value occurs at the boundary, at which it fails to be a local max/min; 10. yes; 11. wrong, some function is not differentiable; 12. wrong, ">" ---> "=".

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