已知一元二次函數(shù)y=x2-4x+2,若自變量x的取值范圍為0≤x≤3,則函數(shù)值y的取值范圍
已知一元二次函數(shù)y=x2-4x+2,若自變量x的取值范圍為0≤x≤3,則函數(shù)值y的取值范圍
數(shù)學人氣：524 ℃時間：2019-09-02 08:25:26
優(yōu)質解答
Y的取值范圍是-2=
我來回答
類似推薦
- 已知二次函數(shù)y=-x^2+X-1/5,當自變量x取m時,對應的函數(shù)值大于0,當自變量x分別取m-1
- 二次函數(shù)y=-1/3(x-1)^2+3,自變量的取值范圍是___,y的取值范圍是__
- 已知二次函數(shù)Y=—3(X-1)(X+2),使y
- 已知一個二次函數(shù),當自變量x=-3時,函數(shù)值y=2；當自變量x=-1時,函數(shù)值y=-1；當自變量x=1時,函數(shù)值y=3,
- 寫出一個二次函數(shù),當函數(shù)值y=0時,自變量x的取值為1或-2
- 函數(shù)f(x)=sinx-cosx^2的最小值是?
- 英語翻譯
- I took my grandpa to the hospital this morning,_____ I missed the first class.
- So crazy
- 方差是各個數(shù)據(jù)與平均數(shù)之差的平方的平均數(shù)
- 函數(shù)y=f(x)與它反函數(shù)y=f^-1(x)怎么讀?
- These are photos of my families.Look at them 改錯