2次函数f(x) =2x∧2+2x+3,求f(0),f(2)并求f(x)最大值_数学解答

2次函数f(x) =2x∧2+2x+3,求f(0),f(2)并求f(x)最大值

人气：397 ℃　时间：2019-10-11 05:04:22

解答

f(x) = 2x^2+2x+3
= 2(x+1/2)^2 + 5/2
f(0) = 3
f(2) = 15
no max