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Worksheets

invers fungsi

Total questions: 10

Worksheet time: 9mins

Name
Class
Date
1.

Diketahui f(x) = (9x+4) / (6x-5), maka nilai dari f-1(3) adalah...

a)

19/9

b)

4/19

c)

-19/4

d)

-4/19

2.

Diketahui f(x)= (2x-4) / (x-3), nilai dari f-1(4) adalah...

a)

4

b)

3

c)

-3

d)

-2

3.

Diketahui fungsi f(x) = x + 10, maka f-1(2) adalah...

a)

10

b)

8

c)

-8

d)

-10

4.

diketahui f(x)=3x2x2f\left(x\right)=\frac{3x-2}{x-2} , maka nilai dari f1(2)=.....f^{-1}\left(2\right)=.....  

a)

4-4  

b)

2-2  

c)

00  

d)

22  

e)

44  

5.

invers fungsi dari f(x)=2x+15xf\left(x\right)=\frac{2x+1}{5-x}  adalah.....

a)

f1(x)=x+152xf^{-1}\left(x\right)=\frac{x+1}{5-2x}

b)

f1(x)=5x1x+2f^{-1}\left(x\right)=\frac{5x-1}{x+2}  

c)

f1(x)=5x+1x2f^{-1}\left(x\right)=\frac{-5x+1}{x-2}  

d)

f1(x)=2x+1x+5f^{-1}\left(x\right)=\frac{-2x+1}{x+5}  

e)

f1(x)=x+215xf^{-1}\left(x\right)=\frac{x+2}{1-5x}

6.

invers fungsi dari f(x)=x+3x2f\left(x\right)=\frac{x+3}{x-2}  adalah.....

a)

f1(x)=2x+3x1f^{-1}\left(x\right)=\frac{2x+3}{x-1}

b)

f1(x)=2x+3x+1f^{-1}\left(x\right)=\frac{-2x+3}{x+1}  

c)

f1(x)=x3x+2f^{-1}\left(x\right)=\frac{x-3}{x+2}  

d)

f1(x)=3x12x+1f^{-1}\left(x\right)=\frac{3x-1}{2x+1}  

e)

f1(x)=2x+13x1f^{-1}\left(x\right)=\frac{2x+1}{3x-1}

7.

diketahui f(x)=3x2f\left(x\right)=3x-2 , maka nilai dari f1(1)=.....f^{-1}\left(1\right)=.....  

a)

1-1  

b)

23-\frac{2}{3}  

c)

00  

d)

23\frac{2}{3}  

e)

11  

8.

invers fungsi dari f(x)=2xf\left(x\right)=2-x  adalah.....

a)

f1(x)=2xf^{-1}\left(x\right)=2-x

b)

f1(x)=x2f^{-1}\left(x\right)=x-2  

c)

f1(x)=x12f^{-1}\left(x\right)=\frac{x-1}{2}  

d)

f1(x)=12xf^{-1}\left(x\right)=1-2x  

e)

f1(x)=x21f^{-1}\left(x\right)=\frac{x}{2}-1

9.

invers fungsi dari f(x)=2x3f\left(x\right)=2x-3  adalah.....

a)

f1(x)=x32f^{-1}\left(x\right)=\frac{x-3}{2}  

b)

f1(x)=x+32f^{-1}\left(x\right)=\frac{x+3}{2}  

c)

f1(x)=3x2f^{-1}\left(x\right)=\frac{3-x}{2}  

d)

f1(x)=2x+3f^{-1}\left(x\right)=2x+3  

e)

f1(x)=3x2f^{-1}\left(x\right)=3x-2

10.

invers fungsi dari f(x)=x+5f\left(x\right)=x+5  adalah.....

a)

f1(x)=5x1f^{-1}\left(x\right)=5x-1

b)

f1(x)=5x+1f^{-1}\left(x\right)=5x+1  

c)

f1(x)=x5f^{-1}\left(x\right)=x-5  

d)

f1(x)=x5f^{-1}\left(x\right)=-x-5  

e)

f1(x)=x+5f^{-1}\left(x\right)=-x+5