已知f(x)是二次函数,不等式f(x)>3的解集是(1,3),且f(x)在区间[0,5]上的最小值是-5,(1)求f(x)的解析式;(2)求f(x)在区间(-4,4]上的取值范围.
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![已知f(x)是二次函数,不等式f(x)>3的解集是(1,3),且f(x)在区间[0,5]上的最小值是-5,(1)求f(x)的解析式;(2)求f(x)在区间(-4,4]上的取值范围.](/uploads/image/z/5223329-17-9.jpg?t=%E5%B7%B2%E7%9F%A5f%28x%EF%BC%89%E6%98%AF%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0%2C%E4%B8%8D%E7%AD%89%E5%BC%8Ff%28x%29%3E3%E7%9A%84%E8%A7%A3%E9%9B%86%E6%98%AF%EF%BC%881%2C3%EF%BC%89%2C%E4%B8%94f%28x%29%E5%9C%A8%E5%8C%BA%E9%97%B4%5B0%2C5%5D%E4%B8%8A%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%E6%98%AF-5%2C%EF%BC%881%EF%BC%89%E6%B1%82f%28x%29%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%9B%EF%BC%882%EF%BC%89%E6%B1%82f%28x%29%E5%9C%A8%E5%8C%BA%E9%97%B4%EF%BC%88-4%2C4%5D%E4%B8%8A%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.)
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