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Latihan Komposisi dan Invers Fungsi

Authored by Made Sekarini

Mathematics

10th Grade

Used 147+ times

Latihan Komposisi dan Invers Fungsi
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui fungsi f ( x ) = 3 x − 1 dan g ( x ) = 2 x² − 3 . Fungsi komposisi (g ∘ f) (x) adalah ⋯ ⋅

9 x² − 3 x + 1

9 x² − 6 x + 3

9 x² − 6 x + 6

18 x² − 12 x + 2

18 x² − 12 x − 1

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui f ( x ) = x² − 4 x + 2 dan g ( x ) = 3 x + 5 . Fungsi komposisi (f ∘ g) (x) adalah ⋯ ⋅

3 x² − 4 x + 5

3 x² − 12 x + 7

3 x² − 12 x + 11

9 x² + 18 x + 7

9 x² + 26 x + 7

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui f (x) = 2 − x dan g (x) = 2x+ a+1. Jika (f ∘ g) (x) = (g ∘ f) (x) , berapa nilai a ?

-4

-2

0

2

4

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui fungsi f(x) = 2x + 3 dan g(x) = x2 – 2x + 4. Komposisi fungsi (g o f)(-2) adalah ...

-1

7

9

12

27

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika f(x) = 3x + 4 dan g(x) = 6 -2x, maka nilai dari (fog)(2) adalah ….

12

10

8

-10

-12

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika g(x) = x + 1 dan  (f  g)(x)=x2 + 3x +1\left(f\ \circ\ g\right)\left(x\right)=x^2\ +\ 3x\ +1   maka f(x) = ...

 x2+5x+5x^2+5x+5  

 x2+x1x^2+x-1  

 x2+4x+3x^2+4x+3  

 x2+6x+1x^2+6x+1  

 x2+3x1x^2+3x-1  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika g(x) = 2x + 3 dan  (g  f)(x)= 2x2+4x+5\left(g\ \circ\ f\right)\left(x\right)=\ 2x^2+4x+5  , maka f(x) = ...

 x2+2x+1x^2+2x+1  

 x2+2x+2x^2+2x+2  

 2x2+x+22x^2+x+2  

 2x2+4x+22x^2+4x+2  

 2x2+4x+12x^2+4x+1  

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