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專題02函數(shù)的值域?qū)m?xiàng)突破一常見函數(shù)值域1.函數(shù)f(x)=1-SKIPIF1<0的值域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.函數(shù)SKIPIF1<0值域是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.函數(shù)SKIPIF1<0的值域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<04.(多選)下列函數(shù),值域?yàn)镾KIPIF1<0的是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.(多選)下列函數(shù)中,值域是SKIPIF1<0的是(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<06.已知函數(shù)SKIPIF1<0是定義在區(qū)間SKIPIF1<0上的偶函數(shù),求函數(shù)SKIPIF1<0的值域.7.求下列函數(shù)的值域:(1)SKIPIF1<0,①SKIPIF1<0;②SKIPIF1<0;(2)SKIPIF1<0;(3)SKIPIF1<0.8.求下列函數(shù)的值域:(1)y=2x+1;(2)y=x2-4x+6,x∈[1,5);(3)y=SKIPIF1<0;(4)y=x+SKIPIF1<0.專項(xiàng)突破二復(fù)雜函數(shù)值域1.函數(shù)SKIPIF1<0的值域是(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<02.函數(shù)SKIPIF1<0的最小值是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.函數(shù)SKIPIF1<0的最大值為(
)A.SKIPIF1<0 B.2 C.SKIPIF1<0 D.14.函數(shù)SKIPIF1<0的值域?yàn)開__________.5.函數(shù)SKIPIF1<0的值域?yàn)開______________.6.函數(shù)SKIPIF1<0的值域?yàn)開_________.7.設(shè)SKIPIF1<0,SKIPIF1<0,則SKIPIF1<0取得最大值時(shí)的x值為______.8.函數(shù)SKIPIF1<0的最小值為___________.9.函數(shù)SKIPIF1<0的值域是___________.10.函數(shù)SKIPIF1<0的值域是___________.11.求函數(shù)SKIPIF1<0的值域.12.(1)求SKIPIF1<0的值域
(2)求SKIPIF1<0的最大值13.求函數(shù)SKIPIF1<0的值域.14.求下列函數(shù)的值域:(1)SKIPIF1<0;(2)SKIPIF1<0;(3)SKIPIF1<0.(4)SKIPIF1<0.專項(xiàng)突破三抽象函數(shù)值域1.若函數(shù)SKIPIF1<0的值域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的值域是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,值域?yàn)镽,則(
)A.函數(shù)SKIPIF1<0的定義域?yàn)镽B.函數(shù)SKIPIF1<0的值域?yàn)镽C.函數(shù)SKIPIF1<0的定義域和值域都是RD.函數(shù)SKIPIF1<0的定義域和值域都是R3.已知函數(shù)SKIPIF1<0對(duì)任意SKIPIF1<0,都有SKIPIF1<0,當(dāng)SKIPIF1<0,SKIPIF1<0時(shí),SKIPIF1<0,則函數(shù)SKIPIF1<0在SKIPIF1<0,SKIPIF1<0上的值域?yàn)椋?/p>
)A.SKIPIF1<0,SKIPIF1<0 B.SKIPIF1<0,SKIPIF1<0 C.SKIPIF1<0,SKIPIF1<0 D.SKIPIF1<0,SKIPIF1<04.定義在R上的函數(shù)SKIPIF1<0對(duì)一切實(shí)數(shù)x、y都滿足SKIPIF1<0,且SKIPIF1<0,已知SKIPIF1<0在SKIPIF1<0上的值域?yàn)镾KIPIF1<0,則SKIPIF1<0在R上的值域是(
)A.R B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.若函數(shù)SKIPIF1<0的值域是SKIPIF1<0,則函數(shù)SKIPIF1<0的值域?yàn)開_.6.已知定義在R上的函數(shù)SKIPIF1<0滿足SKIPIF1<0,若函數(shù)SKIPIF1<0在區(qū)間SKIPIF1<0上的值域?yàn)镾KIPIF1<0,則SKIPIF1<0在區(qū)間SKIPIF1<0上的值域?yàn)開_________.7.SKIPIF1<0是SKIPIF1<0上的奇函數(shù),SKIPIF1<0是SKIPIF1<0上的偶函數(shù),若函數(shù)SKIPIF1<0的值域?yàn)镾KIPIF1<0,則SKIPIF1<0的值域?yàn)開____________.8.若函數(shù)SKIPIF1<0的值域是SKIPIF1<0,則函數(shù)SKIPIF1<0的值域是________.9.已知定義在[﹣1,1]上的函數(shù)f(x)值域?yàn)閇﹣2,0],則y=f(cosx)的值域?yàn)開____.10.函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,且對(duì)任意SKIPIF1<0,SKIPIF1<0都有SKIPIF1<0,且SKIPIF1<0,當(dāng)SKIPIF1<0時(shí),有SKIPIF1<0.(1)求SKIPIF1<0,SKIPIF1<0的值;(2)判斷SKIPIF1<0的單調(diào)性并加以證明;(3)求SKIPIF1<0在SKIPIF1<0,SKIPIF1<0上的值域.專項(xiàng)突破四復(fù)合函數(shù)值域1.已知函數(shù)SKIPIF1<0,則SKIPIF1<0的值域?yàn)椋ǎ〢.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<02.函數(shù)SKIPIF1<0的值域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.若函數(shù)SKIPIF1<0的值域是SKIPIF1<0,則函數(shù)SKIPIF1<0的值域是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.已知函數(shù)SKIPIF1<0的值域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的值域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<05.函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的值域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.函數(shù)SKIPIF1<0的值域?yàn)開__________.7.函數(shù)SKIPIF1<0的最大值為______.8.函數(shù)SKIPIF1<0的值域是________________.9.已知函數(shù)SKIPIF1<0(SKIPIF1<0),則函數(shù)SKIPIF1<0的值域?yàn)開______10.若SKIPIF1<0,SKIPIF1<0,求函數(shù)SKIPIF1<0的值域________.11.已知SKIPIF1<0,則函數(shù)SKIPIF1<0的最小值為__________.12.已知函數(shù)SKIPIF1<0對(duì)任意x∈R滿足SKIPIF1<0+SKIPIF1<0=0,SKIPIF1<0=SKIPIF1<0,若當(dāng)x∈[0,1)時(shí),SKIPIF1<0(a>0且a≠1),且SKIPIF1<0.(1)求SKIPIF1<0的值;(2)求實(shí)數(shù)SKIPIF1<0的值;(3)求函數(shù)SKIPIF1<0的值域.13.若函數(shù)SKIPIF1<0為奇函數(shù).(1)求SKIPIF1<0的值;(2)求函數(shù)的定義域;(3)求函數(shù)的值域.14.已知函數(shù)SKIPIF1<0.當(dāng)SKIPIF1<0時(shí),求該函數(shù)的值域;專項(xiàng)突破五根據(jù)函數(shù)值域求參1.若函數(shù)SKIPIF1<0的值域?yàn)镾KIPIF1<0,則SKIPIF1<0的取值范圍為(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.已知函數(shù)SKIPIF1<0的定義域與值域均為SKIPIF1<0,則SKIPIF1<0(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.13.已知實(shí)數(shù)a的取值能使函數(shù)SKIPIF1<0的值域?yàn)镾KIPIF1<0,實(shí)數(shù)b的取值能使函數(shù)SKIPIF1<0的值域?yàn)镾KIPIF1<0,則SKIPIF1<0
(
)A.4 B.5 C.6 D.74.已知函數(shù)SKIPIF1<0的值域是SKIPIF1<0,則SKIPIF1<0(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.若函數(shù)SKIPIF1<0SKIPIF1<0的值域?yàn)镾KIPIF1<0,則實(shí)數(shù)SKIPIF1<0的取值范圍是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.已知函數(shù)SKIPIF1<0,若存在區(qū)間SKIPIF1<0,使得函數(shù)SKIPIF1<0在區(qū)間SKIPIF1<0上的值域?yàn)镾KIPIF1<0,則實(shí)數(shù)k的取值范圍為(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.(多選)已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,值域?yàn)镾KIPIF1<0,則實(shí)數(shù)對(duì)SKIPIF1<0的可能值為(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<08.(多選)若函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,值域?yàn)镾KIPIF1<0,則SKIPIF1<0的值可能是(
)A.2 B.3 C.4 D.59.(多選)SKIPIF1<0是定義在R上的奇函數(shù),SKIPIF1<0是偶函數(shù),當(dāng)SKIPIF1<0,當(dāng)SKIPIF1<0時(shí),SKIPIF1<0值域?yàn)镾KIPIF1<0,則SKIPIF1<0可能的取值為(
)A.13 B.5 C.1 D.-1310.(多選)若函數(shù)SKIPIF1<0的值域?yàn)镾KIPIF1<0,則實(shí)數(shù)a的取值可能是(
)A.0 B.SKIPIF1<0 C.SKIPIF1<0
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