f(x+1)=x²-2x
令x+1=t,則x=t-1,
即f(t)=(t-1)²-2(t-1)=t²-4t+3
f(x)=x²-4x+3
已知函數(shù)f(x+1)=x2-2x,求f(x)
已知函數(shù)f(x+1)=x2-2x,求f(x)
數(shù)學(xué)人氣:381 ℃時(shí)間:2020-06-20 06:37:31
優(yōu)質(zhì)解答
我來(lái)回答
類似推薦
- 已知函數(shù)f(x)=(x2+2x+a)/x,x∈〔1,+∞)(1)當(dāng)A=1/2時(shí),求函數(shù)f(x)的最小值(2) 若對(duì)任意x∈1,+∞),f(x)>0恒成立,試求實(shí)數(shù)a的取值范圍
- 已知函數(shù)f(x)=(x2+2x+a)/x,x∈[1,+∞).
- 已知函數(shù)f(x)=x2-2x,g(x)=x2-2x,x∈[2,4]. (1)求f(x),g(x)的單調(diào)區(qū)間; (2)求f(x),g(x)的最小值.
- 已知函數(shù)f(x)=x2+1 (x≥0)1 (x<0)則滿足不等式f(1-x2)>f(2x)的x的取值范圍是( ) A.(-1,0) B.(0,1) C.(-1,2-1) D.(-2-1,2-1)
- 已知f[2x+1]=x2+2x,求函數(shù)f[x]的解析式
- 函數(shù)f(x)=sinx-cosx^2的最小值是?
- 英語(yǔ)翻譯
- I took my grandpa to the hospital this morning,_____ I missed the first class.
- So crazy
- 方差是各個(gè)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(cuò)
猜你喜歡
- 1平面與平面重合,是否屬于平行一類?那重合的兩直線,也屬于平行一類的嗎?
- 2非洲每年因饑餓死亡的人數(shù)及現(xiàn)在饑餓人口數(shù)量拜托各位了 3Q
- 3decide to do sth.還=什么
- 4(7/8)o you think of london?B:5.____london is one of the liveliest cities
- 5啤酒可以托運(yùn)嗎
- 6邊長(zhǎng)為2√6的等邊三角形的中心到一邊的距離為?
- 7please give your hand to help me
- 8已知2的X次方等于3的Y次方等于6的Z次方不等等于1,證明X分之一加Y分之一等于Z分之一.
- 9幫我做做?
- 10機(jī)械分析天平TG628A的使用說(shuō)明書
- 11in winter ,we wear warm coats to protect our bodies_.
- 12( )was most importance to her ,she told me,was her family it this what as