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(北京专用)2019版高考数学一轮复习第二章函数第五节指数与指数函数作业本理 - 百度文库

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ָָ

A

1.y=a-1(a>0a1)ͼĵ( ) A.(0,0) B.(0,-1) C.(-2,0)

0.2x+2

D.(-2,-1)

0.2

0.6

2.֪a=2,b=0.4,c=0.4,( ) A.a>b>c B.a>c>b C.c>a>b D.b>c>a

3.y=a-(a>0,a1)ͼ( )

x

4.y=|2-1|(k-1,k+1)ϲ,kȡֵΧ ( ) A.(-1,+) B.(-,1) C.(-1,1)

D.(0,2)

x

5.֪f(x)=

f(x)( )

A.ż,[0,+)ϵ B.ż,[0,+)ϵݼ C.溯,ҵ D.溯,ҵݼ

6.a

+(

)5

+

= .

7.y=(a2

-1)x

RΪ,ʵaȡֵΧ . 8.֪f(x)=a-x

(a>0,a1),f(-2)>f(-3),aȡֵΧ . 9.иʽ:

(1)+0.1-2

+

-30

+;

(2).

B

10.f(x)=Rϵļ,ʵaȡֵΧ(

)

A. B.

C. D.

x

11.ͼ,ƽıOABCΪ8,ԽACCO,ACBOڵE,ijָy=a(a>0,a1)ͼ󾭹E,B,a=( )

A.

B.

C.2 D.3

12.(2017)ͼ,AǺf(x)=2ͼϵĶ,Aֱƽx,g(x)=

x

x

ͼڵB,f(x)=2ͼϴڵCʹáABCΪȱ,AΪ

x

x

f(x)=2ͼϵĺλõ.f(x)=2ϵĺλõĸΪ( )

A.0 B.1 C.2 D.2

13.y=f(x)(-,1]ж,ڸʵK,fK(x)=x(-,1],fK(x)=f(x),( ) A.KֵΪ0 B.KСֵΪ0 C.KֵΪ1 D.KСֵΪ1

f(x)=2-4,

x+1

x

14.֪f(x)=

a>b0,f(a)=f(b),bf(a)ȡֵΧ .

15.֪f(x)=ba(a,bΪ,a>0,a1)ͼ󾭹A(1,6),B(3,24). (1)f(x)ıʽ;

x

(2)ʽ

+-m0x(-,1]ʱ,ʵmȡֵΧ.

(北京专用)2019版高考数学一轮复习第二章函数第五节指数与指数函数作业本理 - 百度文库.doc ĵWordĵصԣ㸴ơ༭ղغʹӡ
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