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Fungsi Invers

Authored by Wisdiyastuti Andriyani

Mathematics

1st Grade

CCSS covered

Used 6K+ times

Fungsi Invers
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Fungsi f dinyatakan oleh f(x) = 3x-5. Jika  f1f^{-1}  invers fungsi f, invers f(x) adalah ...

 x35\frac{x-3}{5}  

 x+35\frac{x+3}{5}  

 x53\frac{x-5}{3}  

 x+53\frac{x+5}{3}  

Tags

CCSS.HSF.BF.B.4

2.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

Invers dari f(x)=23xx+5; x5f\left(x\right)=\frac{2-3x}{x+5};\ x\ne-5 adalah ....

 f1(x)=5x2x+3; x3f^{-1}\left(x\right)=\frac{5x-2}{x+3};\ x\ne-3  

 f1(x)=25xx+3; x3f^{-1}\left(x\right)=\frac{2-5x}{x+3};\ x\ne-3  

 f1(x)=5x2x3; x3f^{-1}\left(x\right)=\frac{5x-2}{x-3};\ x\ne3  

 f1(x)=25xx3; x3f^{-1}\left(x\right)=\frac{2-5x}{x-3};\ x\ne3  

 f1(x)=5x+2x+3; x3f^{-1}\left(x\right)=\frac{5x+2}{x+3};\ x\ne-3  

Tags

CCSS.HSF.BF.B.4

CCSS.HSA.APR.D.6

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui f(x)=xx1f\left(x\right)=\frac{x}{x-1} 

untuk  x1x\ne1 . Fungsi invers  f(x)f\left(x\right)  adalah ...

 xx+1\frac{x}{x+1}  

 xx1\frac{x}{x-1}  

 x1x\frac{x-1}{x}  

 1x1\frac{1}{x-1}  

 1x+1\frac{1}{x+1}  

Tags

CCSS.HSF.BF.B.4

CCSS.HSF.IF.A.1

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika f(x) = x  3 dan g (x) = 3 – 2x, maka  (f  g)1=\left(f\ \circ\ g\right)^{-1}=   adalah 

 2x2x  

 312x3-\frac{1}{2}x  

 12x-\frac{1}{2}x  

 2x-2x  

 12x3\frac{1}{2}x-3  

Tags

CCSS.HSF.BF.B.4

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika f(x)=x2-3x+2 dan g(x)=4x+1, maka (gof)(x)=⋯

4x2-3x+3

.4x2-3x+8

4x2-4x+6

4x2-12x+8

4x2-12x+9

Tags

CCSS.HSF.IF.A.2

CCSS.HSF.IF.A.1

CCSS.HSF.BF.A.1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

10

8

-8

-10

Tags

CCSS.HSF.BF.B.4

CCSS.HSF.IF.A.2

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui fungsi f dengan rumus f(x) = 2x – 3 dan f-1 adalah fungsi invers dari f. Nilai dari f-1 (-1)=…

-2

-1

1

2

3

Tags

CCSS.HSF.BF.B.4

CCSS.HSF.IF.A.2

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