已知f(x)是定义在R上的偶函数,且在[0,+∞]单调递减,则一定有A.f(-3/4) > f(a^2-a+1)B.f(-3/4)≥ f(a^2-a+1)C.f(-3/4) < f(a^2-a+1)D.f(-3/4)≤ f(a^2-a+1)要理由噢`注:a^2是a的平方噢`
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/25 05:19:37
![已知f(x)是定义在R上的偶函数,且在[0,+∞]单调递减,则一定有A.f(-3/4) > f(a^2-a+1)B.f(-3/4)≥ f(a^2-a+1)C.f(-3/4) < f(a^2-a+1)D.f(-3/4)≤ f(a^2-a+1)要理由噢`注:a^2是a的平方噢`](/uploads/image/z/3711890-2-0.jpg?t=%E5%B7%B2%E7%9F%A5f%EF%BC%88x%EF%BC%89%E6%98%AF%E5%AE%9A%E4%B9%89%E5%9C%A8R%E4%B8%8A%E7%9A%84%E5%81%B6%E5%87%BD%E6%95%B0%2C%E4%B8%94%E5%9C%A8%5B0%2C%EF%BC%8B%E2%88%9E%5D%E5%8D%95%E8%B0%83%E9%80%92%E5%87%8F%2C%E5%88%99%E4%B8%80%E5%AE%9A%E6%9C%89A.f%EF%BC%88-3%2F4%29+%3E+f%EF%BC%88a%5E2-a%2B1%EF%BC%89B.f%EF%BC%88-3%2F4%29%E2%89%A5+f%EF%BC%88a%5E2-a%2B1%EF%BC%89C.f%EF%BC%88-3%2F4%29+%3C+f%EF%BC%88a%5E2-a%2B1%EF%BC%89D.f%EF%BC%88-3%2F4%29%E2%89%A4+f%EF%BC%88a%5E2-a%2B1%EF%BC%89%E8%A6%81%E7%90%86%E7%94%B1%E5%99%A2%60%E6%B3%A8%EF%BC%9Aa%5E2%E6%98%AFa%E7%9A%84%E5%B9%B3%E6%96%B9%E5%99%A2%60)
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