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UH FUNGSI INVERS_KLS.XI.11

Authored by Arik Utari

Mathematics

11th Grade

UH FUNGSI INVERS_KLS.XI.11
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Jika fungsi g(x)= (x-3)/(2x-5), x≠5/2

nilai g-1(1) adalah....

-2

-1

1

2

4

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui (fog)(x)=9x2-6x-3. Jika g(x)=3x-1, nilai dari f-1(12)= ...

2

4

5

6

8

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika f(x)=6/(x+3) , x≠-3 dan g(x)=x2 , untuk x≥ 0 , daerah asal dari (fog)-1(x) adalah.....

x < 2

x ≤ 2

0 ≤ x < 2

0 ≤ x ≤ 2

0 < x ≤ 2

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Fungsi f: R→R dan g:R→R berturut-turut→ didefinisikan f(x)=(x+4)/(x-6) , x≠6

dan g(x)=2x-1 ,rumus fungsi invers (fog)-1(x) adalah...

(7x-3)/(2x-2)

(7x+3)/(2x+2)

(3-7x)/(2x-2)

(7x+3)/(2-2x)

(7x+3)/(2x2)

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika fungsi f:x→ (4x-3)/(x+2) , x ≠ -2 dan fungsi invers f-1(x)=(ax+3)/(b-x) ,

maka nilai x untuk f-1(x)=3x adalah ....

2 dan 4

1/3 dan 3

1/4 dan 1

-3 dan 1

-2 dan -3

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui f-1(x) dan g-1(x) masing-masing invers dari fungsi f dan g.

Jika g-1(x)=1/5(x-1) dan f-1(x)=1/2((3-x)) ,

nilai (gof)-1(6) sama dengan .....

-(1/2)

0

1

2

6

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika fungsi f:x→3-4x , maka rumus fungsi invers (f2)-1(x) adalah....

(x+15)/16

(x+9)/16

16x-9

(3-x)/4

x+16

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