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專題01函數(shù)的定義域?qū)m?xiàng)突破一具體函數(shù)的定義域1.函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
).A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<02.函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.已知函數(shù)SKIPIF1<0,則函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.函數(shù)SKIPIF1<0=SKIPIF1<0的定義域是(
)A.SKIPIF1<0 B.{SKIPIF1<0或SKIPIF1<0}C.SKIPIF1<0 D.SKIPIF1<07.函數(shù)SKIPIF1<0的定義域是(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<08.函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<09.函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<010.函數(shù)y=SKIPIF1<0+lg(5-3x)的定義域是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<011.函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<012.函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<013.函數(shù)SKIPIF1<0定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<014.函數(shù)SKIPIF1<0的定義域是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<015.函數(shù)f(x)=SKIPIF1<0的定義域?yàn)椋?/p>
)A.[SKIPIF1<0,SKIPIF1<0) B.(SKIPIF1<0,SKIPIF1<0)∪(SKIPIF1<0,+∞)C.(-2,SKIPIF1<0) D.[-2,+∞)16.函數(shù)SKIPIF1<0的定義域?yàn)開_____.17.函數(shù)SKIPIF1<0的定義域?yàn)開__________.18.函數(shù)SKIPIF1<0的定義域?yàn)開_____.19.函數(shù)SKIPIF1<0的定義域?yàn)開________.20.函數(shù)SKIPIF1<0的定義域是______.21.函數(shù)SKIPIF1<0的定義域?yàn)開_____.22.函數(shù)SKIPIF1<0的定義域?yàn)開_____.23.函數(shù)SKIPIF1<0的定義域是_________24.函數(shù)SKIPIF1<0定義域?yàn)開___.25.函數(shù)SKIPIF1<0的定義域?yàn)開_____.26.求下列函數(shù)的定義域:(1)SKIPIF1<0;(2)SKIPIF1<0;(3)SKIPIF1<0.27.求下列函數(shù)的定義域:(1)SKIPIF1<0;(2)SKIPIF1<0;(3)SKIPIF1<0.28.求下列函數(shù)的定義域:(1)y=2+SKIPIF1<0;(2)y=SKIPIF1<0·SKIPIF1<0;(3)y=(x-1)0+SKIPIF1<0.(4)SKIPIF1<029.求下列函數(shù)的定義域:(1)SKIPIF1<0;(2)SKIPIF1<0.專項(xiàng)突破二抽象函數(shù)的定義域1.函數(shù)SKIPIF1<0的定義域是SKIPIF1<0,則函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.若函數(shù)SKIPIF1<0,則函數(shù)SKIPIF1<0的定義域?yàn)椋ǎ〢.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.已知函數(shù)SKIPIF1<0定義域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.已知f(x)的定義域是SKIPIF1<0,則函數(shù)SKIPIF1<0的定義域是(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<05.已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的定義域是(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<06.已知函數(shù)SKIPIF1<0,則SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<07.已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<08.已知SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則SKIPIF1<0的定義域?yàn)?/p>
(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<09.已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<010.已知函數(shù)SKIPIF1<0的定義域是SKIPIF1<0,則SKIPIF1<0的定義域是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<011.已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0.則函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.[-1,1] B.[SKIPIF1<0,2] C.[1,2] D.[SKIPIF1<0,4]12.已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的定義域?yàn)椋?/p>
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<013.已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的定義域?yàn)開________.14.若函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的定義域?yàn)開_____.15.若函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的定義域是___________16.函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的定義域?yàn)開_____.17.若函數(shù)SKIPIF1<0定義域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的定義域?yàn)開______.18.若函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,且SKIPIF1<0,則SKIPIF1<0的定義域是______.19.求下列函數(shù)的定義域:(1)已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,求函數(shù)SKIPIF1<0的定義域.(2)已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,求函數(shù)SKIPIF1<0的定義域.(3)已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,求函數(shù)SKIPIF1<0的定義域.20.求下列函數(shù)定義域(1)已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,求SKIPIF1<0的定義域.(2)已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,求SKIPIF1<0的定義域(3)已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,求SKIPIF1<0的定義域.(4)設(shè)函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則SKIPIF1<0的定義域.(5)若SKIPIF1<0的定義域?yàn)镾KIPIF1<0,求SKIPIF1<0的定義域?qū)m?xiàng)突破三利用定義域求參1.已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則實(shí)數(shù)a的取值集合為(
)A.{1} B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.若函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則SKIPIF1<0(
)A.1 B.-1C.2 D.無法確定3.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.14.已知函數(shù)f(x)=SKIPIF1<0的定義域是一切實(shí)數(shù),則m的取值范圍是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.若函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,則SKIPIF1<0的取值范圍是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.若函數(shù)SKIPIF1<0的定義城為R,則實(shí)數(shù)a的取值范圍是(
)A.[0,1] B.[0,1) C.[0,SKIPIF1<0] D.[0,SKIPIF1<0)7.若函數(shù)SKIPIF1<0的定義域?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<08.已知函數(shù)SKIPIF1<0是定義在SKIPIF1<0上的增函數(shù),且SKIPIF1<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<09.若函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0
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