某港口水深度y(米)是时间t(0≤t≤24,单位:时)的函数,记作y=f(t),下面是某日水深的数据:t(时) 0 3 6 9 12 15 18 21 24 y(米) 10.0 13.0 9.9 7.0 10.0 13.0 10.1 7.0 10.0 经长期观察y=f(t)的曲线可以近似看成函
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![某港口水深度y(米)是时间t(0≤t≤24,单位:时)的函数,记作y=f(t),下面是某日水深的数据:t(时) 0 3 6 9 12 15 18 21 24 y(米) 10.0 13.0 9.9 7.0 10.0 13.0 10.1 7.0 10.0 经长期观察y=f(t)的曲线可以近似看成函](/uploads/image/z/11270108-20-8.jpg?t=%E6%9F%90%E6%B8%AF%E5%8F%A3%E6%B0%B4%E6%B7%B1%E5%BA%A6y%28%E7%B1%B3%29%E6%98%AF%E6%97%B6%E9%97%B4t%EF%BC%880%E2%89%A4t%E2%89%A424%2C%E5%8D%95%E4%BD%8D%EF%BC%9A%E6%97%B6%EF%BC%89%E7%9A%84%E5%87%BD%E6%95%B0%2C%E8%AE%B0%E4%BD%9Cy%3Df%28t%29%2C%E4%B8%8B%E9%9D%A2%E6%98%AF%E6%9F%90%E6%97%A5%E6%B0%B4%E6%B7%B1%E7%9A%84%E6%95%B0%E6%8D%AE%EF%BC%9At%28%E6%97%B6%29+0+3+6+9+12+15+18+21+24+y%28%E7%B1%B3%29+10.0+13.0+9.9+7.0+10.0+13.0+10.1+7.0+10.0+%E7%BB%8F%E9%95%BF%E6%9C%9F%E8%A7%82%E5%AF%9Fy%3Df%28t%29%E7%9A%84%E6%9B%B2%E7%BA%BF%E5%8F%AF%E4%BB%A5%E8%BF%91%E4%BC%BC%E7%9C%8B%E6%88%90%E5%87%BD)
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