Let f be a twice-differentiable function. Which of the following statements are individually sufficient to conclude that x=2 is that location of the absolute maximum of f on the interval [-5, 5]?I. f ′(2)=0ll. x = 2 is the only critical pint of f on the interval [-5, 5], and f" (2) < 0Ill. x = 2 is the only critical point of f on the interval [-5, 5], and f(-5) < f(5) < f(2)Pilihan jawabanll only lll onlyl and ll onlyll and lll only