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Fungsi Invers (Mudah)

Authored by Aldy Prasetya

Mathematics

11th Grade

Fungsi Invers (Mudah)
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20 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika f(x) = 4x+8 maka invers fungsi f adalah ...

x84\frac{x-8}{4}

x+4

x48\frac{x-4}{8}

x+8

x88\frac{x-8}{8}

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika f(x) = 3x-7 maka invers fungsi f adalah ...

x73\frac{x-7}{3}

x+7

x+73\frac{x+7}{3}

x+3

x+37\frac{x+3}{7}

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Invers dari f(x)=2x+6f(x)=2x+6    adalah....

 2x62x-6  

 (x+6)2\frac{\left(x+6\right)}{2}  

 (x6)2\frac{\left(x-6\right)}{2}  

 (x+2)6\frac{\left(x+2\right)}{6}  

 (x2)6\frac{\left(x-2\right)}{6}  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui f(x)=45xf(x)=4-5x   , maka invers dari  f(x)f\left(x\right)    adalah....

 5x45x-4  

 (x4)5-\frac{(x-4)}{5}  

 (x4)5\frac{(x-4)}{5}  

 (x5)4\frac{(x-5)}{4}  

 (x5)4-\frac{(x-5)}{4}  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika  f(x)=3x5f\left(x\right)=3x-5  maka invers dari  f(x) f\left(x\right)\   adalah....

 5x 35x\ -3  

  5x+35x+3  

 x+53\frac{x+5}{3}  

 x53\frac{x-5}{3}  

 x+35\frac{x+3}{5}  

6.

MULTIPLE CHOICE QUESTION

15 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}  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika diketahui  f(x ) =4x25,f\left(x\ \right)\ =4x^2-5,  maka  f1(x) adalah...f^{-1}\left(x\right)\ adalah...  

 4x +5\sqrt{4x\ }+5  

 x+5\sqrt{x+5}  

 x4+5\sqrt{\frac{x}{4}}+5  

 x+54\sqrt{\frac{x+5}{4}}  

 X54\sqrt{\frac{X-5}{4}}  

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