已知函数f(x)=ax²+bx+c(a大于0,c小于0)的零点为x1,x2(x1小于x2),函数f(x)的小值 为y0,且y0≤-x2,则函数y=f(|f(x)|)的零点个数是
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![已知函数f(x)=ax²+bx+c(a大于0,c小于0)的零点为x1,x2(x1小于x2),函数f(x)的小值 为y0,且y0≤-x2,则函数y=f(|f(x)|)的零点个数是](/uploads/image/z/3137070-30-0.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%3Dax%26%23178%3B%2Bbx%2Bc%EF%BC%88a%E5%A4%A7%E4%BA%8E0%2Cc%E5%B0%8F%E4%BA%8E0%EF%BC%89%E7%9A%84%E9%9B%B6%E7%82%B9%E4%B8%BAx1%2Cx2%EF%BC%88x1%E5%B0%8F%E4%BA%8Ex2%EF%BC%89%2C%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%E7%9A%84%E5%B0%8F%E5%80%BC+%E4%B8%BAy0%2C%E4%B8%94y0%E2%89%A4-x2%2C%E5%88%99%E5%87%BD%E6%95%B0y%3Df%EF%BC%88%7Cf%EF%BC%88x%EF%BC%89%7C%EF%BC%89%E7%9A%84%E9%9B%B6%E7%82%B9%E4%B8%AA%E6%95%B0%E6%98%AF)
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已知函数f(x)=ax²+bx+c(a大于0,c小于0)的零点为x1,x2(x1小于x2),函数f(x)的小值 为y0,且y0≤-x2,则函数y=f(|f(x)|)的零点个数是
已知函数f(x)=ax²+bx+c(a大于0,c小于0)的零点为x1,x2(x1小于x2),函数f(x)的小值 为y0,且y0≤-x2,则函数y=f(|f(x)|)的零点个数是
已知函数f(x)=ax²+bx+c(a大于0,c小于0)的零点为x1,x2(x1小于x2),函数f(x)的小值 为y0,且y0≤-x2,则函数y=f(|f(x)|)的零点个数是
a>0,开口向上,f(0)=c