新高考數學一輪復習8.1 定義域（精練）（基礎版）（原卷版）

8.1定義域（精練）（基礎版）題組一題組一具體函數求定義域1．（2022·湖南·寧鄉(xiāng)市教育研究中心模擬預測）函數SKIPIF1<0的定義域為（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<02．（2022·湖南·長郡中學）函數SKIPIF1<0的定義域為（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<03．（2022·北京石景山·一模）函數SKIPIF1<0的定義域是_________．4．（2022·上海閔行）函數SKIPIF1<0的定義域為___________.5．（2022·上海市奉賢中學高三階段練習）函數SKIPIF1<0的定義域為___________.6．（2022·湖南·課時練習）求下列函數的定義域：(1)SKIPIF1<0；(2)SKIPIF1<0；(3)SKIPIF1<0；題組二題組二復合函數求定義域1．（2022·遼寧）已知函數SKIPIF1<0的定義域為SKIPIF1<0，則SKIPIF1<0的定義域為（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<02．（2022·全國·高三）已知函數SKIPIF1<0的定義域為SKIPIF1<0，則函數SKIPIF1<0的定義域是（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<03．（2022·全國·高三專題練習）已知函數SKIPIF1<0的定義域為(－2,0)，則SKIPIF1<0的定義域為（

）A．(－1,0) B．(－2,0) C．(0,1) D．SKIPIF1<04．（2022·安徽阜陽）已知SKIPIF1<0，則SKIPIF1<0的定義域為（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<05．（2022·全國·高三專題練習）已知函數SKIPIF1<0的定義域為SKIPIF1<0，則函數SKIPIF1<0的定義域為（）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<06．（2022·全國·高三專題練習）若函數SKIPIF1<0的定義域是SKIPIF1<0，則函數SKIPIF1<0的定義域是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<07．（2022·河南南陽）若函數SKIPIF1<0的定義域為SKIPIF1<0，則函數SKIPIF1<0的定義域為______．8．（2022·甘肅省會寧縣第一中學）已知函數f(x)的定義域是[-1，1]，則函數f(log2x)的定義域為____．9．（2022·全國·高三專題練習）若函數SKIPIF1<0的定義域為SKIPIF1<0，則函數SKIPIF1<0的定義域為___________.10．（2021·甘肅張掖市）已知函數SKIPIF1<0的定義域為SKIPIF1<0，則函數SKIPIF1<0的定義域為題組三題組三已知定義域求參數1．（2022·福建·廈門一中）函數SKIPIF1<0的定義域是SKIPIF1<0，則實數a的取值范圍為________．2．（2022·上海市控江中學）函數SKIPIF1<0定義域為R，則實數k的取值范圍為______.3.（2021年廣東肇慶）已知SKIPIF1<0的定義域為R，求實數SKIPIF1<0的取值范圍.．4（2021年廣東韶光）.函數SKIPIF1<0.若SKIPIF1<0的定義域為SKIPIF1<0，求實數SKIPIF1<0的取值范圍.5．（2022·全國·高三專題練習）函數SKIPIF1<0的定義域是SKIPIF1<0，則SKIPIF1<0的取值范圍是_________．6．（2022·全國·高三專題練習）已知函數SKIPIF1<0的定義域為R，則a的范圍是________．7．（2022·全國·高三專題練習）函數SKIPIF1<0的定義域SKIPIF1<0，則實數SKIPIF1<0的值為________8．（2022·全國·高三專題練習）若集合SKIPIF1<0，則實數a的取值范圍是________