Operasi Fungsi dan Invers Fungsi

Operasi Fungsi dan Invers Fungsi

7th Grade

10 Qs

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Operasi Fungsi dan Invers Fungsi

Operasi Fungsi dan Invers Fungsi

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Maulina Arfa

Used 41+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Diketahui f(x)=x+5 dan g(x) = 3x+8Diketahui\ f\left(x\right)=x+5\ dan\ g\left(x\right)\ =\ 3x+8  
 Maka hasil dari (f+g)(x)adalah ....Maka\ hasil\ dari\ \left(f+g\right)\left(x\right)adalah\ ....  

 2x+122x+12   

 4x+134x+13  

 4x+124x+12  

 3x+123x+12  

 3x+83x+8  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Jika f(x) =x2+x dan g(x)=2x+3Jika\ f\left(x\right)\ =x^2+x\ dan\ g\left(x\right)=\frac{2}{x+3}  
 Maka hasil dari (f×g)(x)adalah ....Maka\ hasil\ dari\ \left(f\times g\right)\left(x\right)adalah\ ....  

 2x2+2xx+3\frac{2x^2+2x}{x+3}  

 2x+2x+3\frac{2x+2}{x+3}  

 2x22xx3\frac{2x^2-2x}{x-3}  

 2x2x+3\frac{2x-2}{x+3}  

 2x22xx+3\frac{2x^2-2x}{x+3}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Maka hasil dari (fg)(x) adalah ....Maka\ hasil\ dari\ \left(f-g\right)\left(x\right)\ adalah\ ....   Diketahui f(x)=2x+5 dan g(x)=3x+8Diketahui\ f\left(x\right)=2x+5\ dan\ g\left(x\right)=3x+8  

 x+3x+3  

 x+13-x+13  

 x+3-x+3  

 x+13x+13  

 x3-x-3  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Diketahui f(x)=x25 dan g(x)=5x3Diketahui\ f\left(x\right)=x^2-5\ dan\ g\left(x\right)=5x-3  
 Maka hasil dari (f+g)(x)adalah ....Maka\ hasil\ dari\ \left(f+g\right)\left(x\right)adalah\ ....  

 6x286x^2-8  

 x2+5x+8x^2+5x+8  

 x2+5x8x^2+5x-8  

 x25x8x^2-5x-8  

 6x2+86x^2+8  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Diketahui f(x)=2x3, dan g(x)=2x+3Diketahui\ f\left(x\right)=2x-3,\ dan\ g\left(x\right)=2x+3  
 Maka hasil dari (gf)(x) adalah ....Maka\ hasil\ dari\ \left(\frac{g}{f}\right)\left(x\right)\ adalah\ ....  

1

 x+3x3\frac{x+3}{x-3}  

 2x32x+3\frac{2x-3}{2x+3}  

 2x+32x3\frac{2x+3}{2x-3}  

 x3x+3\frac{x-3}{x+3}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt


Diketahui fungsi f dinyatakan dengan himpunan pasangan berurutan sebagai berikut.
 f={(1,1),(2,3),(2,1),(0,2)}f=\left\{\left(1,-1\right),\left(2,-3\right),\left(-2,-1\right),\left(0,2\right)\right\} 
Maka, invers dari fungsi f adalah .... 

 f={(1,1),(3,2),(1,2),(2,0)}f=\left\{\left(-1,1\right),\left(-3,2\right),\left(-1,-2\right),\left(2,0\right)\right\}  

 f={(1,1),(2,3),(1,2),(2,0)}f=\left\{\left(-1,1\right),\left(2,-3\right),\left(-1,-2\right),\left(2,0\right)\right\}  

 f={(1,1),(2,3),(2,1),(0,2)}f=\left\{\left(1,-1\right),\left(2,-3\right),\left(-2,-1\right),\left(0,2\right)\right\}  

 f={(1,1),(3,2),(1,2),(2,0)}f=\left\{\left(-1,1\right),\left(-3,2\right),\left(1,2\right),\left(2,0\right)\right\}  

 f={(1,1),(3,2),(1,2),(0,2)}f=\left\{\left(-1,1\right),\left(-3,2\right),\left(-1,-2\right),\left(0,2\right)\right\}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui fungsi g(x)=3x1g\left(x\right)=3x-1  . Maka invers dari fungsi g(x) adalah .....

 x+31\frac{x+3}{1}  

 x31\frac{x-3}{1}  

 x+13\frac{x+1}{3}  

 x13\frac{x-1}{3}  

 3x+12\frac{3x+1}{2}  

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