关于高一数学幂函数的题1,求下列函数定义域,值域(1)y=x^(-2/3) (2)y=x^(-3/4) (3)y=x^(4/5)2,比较大小(1)(2/3)^0.5和(3/5)^0.5 (2)(-2/3)^-1和(-3/5)^-13,y=x^(3m-9)(x属于N+)的图像关于y轴对称,且在(0,+无穷)上函数值
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![关于高一数学幂函数的题1,求下列函数定义域,值域(1)y=x^(-2/3) (2)y=x^(-3/4) (3)y=x^(4/5)2,比较大小(1)(2/3)^0.5和(3/5)^0.5 (2)(-2/3)^-1和(-3/5)^-13,y=x^(3m-9)(x属于N+)的图像关于y轴对称,且在(0,+无穷)上函数值](/uploads/image/z/1325403-27-3.jpg?t=%E5%85%B3%E4%BA%8E%E9%AB%98%E4%B8%80%E6%95%B0%E5%AD%A6%E5%B9%82%E5%87%BD%E6%95%B0%E7%9A%84%E9%A2%981%2C%E6%B1%82%E4%B8%8B%E5%88%97%E5%87%BD%E6%95%B0%E5%AE%9A%E4%B9%89%E5%9F%9F%2C%E5%80%BC%E5%9F%9F%281%29y%3Dx%5E%28-2%2F3%29++%282%29y%3Dx%5E%28-3%2F4%29+%283%29y%3Dx%5E%284%2F5%292%2C%E6%AF%94%E8%BE%83%E5%A4%A7%E5%B0%8F%281%29%282%2F3%29%5E0.5%E5%92%8C%283%2F5%29%5E0.5++%282%29%28-2%2F3%29%5E-1%E5%92%8C%28-3%2F5%29%5E-13%2Cy%3Dx%5E%283m-9%29%28x%E5%B1%9E%E4%BA%8EN%2B%29%E7%9A%84%E5%9B%BE%E5%83%8F%E5%85%B3%E4%BA%8Ey%E8%BD%B4%E5%AF%B9%E7%A7%B0%2C%E4%B8%94%E5%9C%A8%280%2C%2B%E6%97%A0%E7%A9%B7%29%E4%B8%8A%E5%87%BD%E6%95%B0%E5%80%BC)
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