如图所示,f(x)(i=1,2,3,4)是定义在[0,1]上的四个函数,f(x1+x2/2)≤f(x1)+f(x2)/2的只有()如图所示,f(x)(i=1,2,3,4)是定义在[0,1]上的四个函数,f(x1+x2/2)≤f(x1)+f(x2)/2的只有(?)(提示:注意f(x1+x2/2)≤f(x1)+f(
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![如图所示,f(x)(i=1,2,3,4)是定义在[0,1]上的四个函数,f(x1+x2/2)≤f(x1)+f(x2)/2的只有()如图所示,f(x)(i=1,2,3,4)是定义在[0,1]上的四个函数,f(x1+x2/2)≤f(x1)+f(x2)/2的只有(?)(提示:注意f(x1+x2/2)≤f(x1)+f(](/uploads/image/z/8591089-49-9.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2Cf%28x%29%28i%3D1%2C2%2C3%2C4%29%E6%98%AF%E5%AE%9A%E4%B9%89%E5%9C%A8%5B0%2C1%5D%E4%B8%8A%E7%9A%84%E5%9B%9B%E4%B8%AA%E5%87%BD%E6%95%B0%2Cf%28x1%2Bx2%2F2%29%E2%89%A4f%28x1%29%2Bf%28x2%29%2F2%E7%9A%84%E5%8F%AA%E6%9C%89%EF%BC%88%EF%BC%89%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2Cf%28x%29%28i%3D1%2C2%2C3%2C4%29%E6%98%AF%E5%AE%9A%E4%B9%89%E5%9C%A8%5B0%2C1%5D%E4%B8%8A%E7%9A%84%E5%9B%9B%E4%B8%AA%E5%87%BD%E6%95%B0%2Cf%28x1%2Bx2%2F2%29%E2%89%A4f%28x1%29%2Bf%28x2%29%2F2%E7%9A%84%E5%8F%AA%E6%9C%89%EF%BC%88%3F%EF%BC%89%EF%BC%88%E6%8F%90%E7%A4%BA%EF%BC%9A%E6%B3%A8%E6%84%8Ff%28x1%2Bx2%2F2%29%E2%89%A4f%28x1%29%2Bf%28)
如图所示,f(x)(i=1,2,3,4)是定义在[0,1]上的四个函数,f(x1+x2/2)≤f(x1)+f(x2)/2的只有()如图所示,f(x)(i=1,2,3,4)是定义在[0,1]上的四个函数,f(x1+x2/2)≤f(x1)+f(x2)/2的只有(?)(提示:注意f(x1+x2/2)≤f(x1)+f(
如图所示,f(x)(i=1,2,3,4)是定义在[0,1]上的四个函数,f(x1+x2/2)≤f(x1)+f(x2)/2的只有()
如图所示,f(x)(i=1,2,3,4)是定义在[0,1]上的四个函数,f(x1+x2/2)≤f(x1)+f(x2)/2的只有(?)(提示:注意f(x1+x2/2)≤f(x1)+f(x2)/2的几何意义).
如图所示,f(x)(i=1,2,3,4)是定义在[0,1]上的四个函数,f(x1+x2/2)≤f(x1)+f(x2)/2的只有()如图所示,f(x)(i=1,2,3,4)是定义在[0,1]上的四个函数,f(x1+x2/2)≤f(x1)+f(x2)/2的只有(?)(提示:注意f(x1+x2/2)≤f(x1)+f(
f((x1+x2)/2)为均值的函数值,[f(x1)+f(x2)]/2为函数值的均值,具有这种性质的函数是凸函数(不是严格凸)
推导的话f((x1+x2)/2)