2次函数f(x) =2x∧2+2x+3,求f(0),f(2)并求f(x)最大值
问题描述:
2次函数f(x) =2x∧2+2x+3,求f(0),f(2)并求f(x)最大值
答
f(x) = 2x^2+2x+3
= 2(x+1/2)^2 + 5/2
f(0) = 3
f(2) = 15
no max