• 2022-06-14
    设函数$f(x)$具有二阶导数,$g(x)=f(0)(1-x)+f(1)x$,则在区间$[0,1]$上,必有
    A: 当$f'(x)\geq 0$时,$f(x)\geq g(x)$.
    B: 当$f'(x)\geq 0$时,$f(x)\leq g(x)$.
    C: 当$f''(x)\geq 0$时,$f(x)\geq g(x)$.
    D: 当$f''(x)\geq 0$时,$f(x)\leq g(x)$.