函数f(x){(x^2+5x)/6,0≤x
问题描述:
函数f(x){(x^2+5x)/6,0≤x
答
f(x)在(0,3)上递增,在(3,5)上递减.在(3,5)递减
f(0)=0,f(3)=4,f(5)=0
(1)m