∵函數(shù)f(x+1)=x2-x+3,
∴f(x-1)=f[(x-2)+1]=(x-2)2-(x-2)+3=x2-5x+9
故選A.
已知函數(shù)f(x+1)=x2-x+3,那么f(x-1)的表達(dá)式是( ?。?A.x2-5x+9 B.x2-x-3 C.x2+5x-9 D.x2-x+1
已知函數(shù)f(x+1)=x2-x+3,那么f(x-1)的表達(dá)式是( ?。?br/>A. x2-5x+9
B. x2-x-3
C. x2+5x-9
D. x2-x+1
B. x2-x-3
C. x2+5x-9
D. x2-x+1
數(shù)學(xué)人氣:379 ℃時(shí)間:2020-04-05 03:19:58
優(yōu)質(zhì)解答
我來(lái)回答
類(lèi)似推薦
- 已知函數(shù)f(x)滿足根號(hào)三f(x)-f(x/1)=x2,則f(x)的表達(dá)式是
- 已知f(x-1/x)=x2+1/x2,則函數(shù)f(x)的表達(dá)式是
- 1.已知函數(shù)f(x2-3)=lgx2/x2-6 (1)求f(x)的表達(dá)式及定義域 (2)判斷f(x)的奇偶性
- 已知函數(shù)f(x)=2X-1,求F(X2)的表達(dá)式
- 已知f(x-1/x)=x2+1/x2,求函數(shù)f(x)的表達(dá)式是
- 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(lèi)?那重合的兩直線,也屬于平行一類(lèi)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(shū)
- 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