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Komposisi fungsi dan fungsi invers

Authored by Florentina Wahyu

Mathematics

10th Grade

Used 41+ times

Komposisi fungsi dan fungsi invers
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika  f(x)=x2+1   dan g(x)=2x1 ; maka (fog)(x)=...f\left(x\right)=x^2+1\ \ \ dan\ g\left(x\right)=2x-1\ ;\ maka\ \left(fog\right)\left(x\right)=...  

 2x2+12x^2+1  

 2x2+2x+12x^2+2x+1  

 4x24x+24x^2-4x+2  

 4x2+2x+24x^2+2x+2  

 4x2+4x24x^2+4x-2  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika  f(x)=1x+2 f\left(x\right)=\frac{1}{x+2}\   dan  f1(x)f^{-1}\left(x\right)  adalah invers dari f, maka f1(x)=4f^{-1}\left(x\right)=4  untuk nilai x sama dengan ...

-3

-2

 12-\frac{1}{2}  

 13-\frac{1}{3}  

2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Invers fungsi dari f(x)=3x+42x1 adalahInvers\ fungsi\ dari\ f\left(x\right)=\frac{3x+4}{2x-1}\ adalah  

 2x13x+4\frac{2x-1}{3x+4}  

 x+42x3\frac{x+4}{2x-3}  

 3x42x+1\frac{3x-4}{2x+1}  

 2x3x+4\frac{2x-3}{x+4}  

 x+42x3\frac{x+4}{2x-3}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Jika f(x)=5x+2 dan g(f(x))=14x+6 maka g(7)= ...Jika\ f\left(x\right)=5x+2\ dan\ g\left(f\left(x\right)\right)=14x+6\ maka\ g\left(7\right)=\ ...  

19

20

21

22

23

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

  Diketahui g(x)=x2x  dan (fog)(x)=x2x+5\ Diketahui\ g\left(x\right)=x^2-x\ \ dan\ \left(fog\right)\left(x\right)=x^2-x+5 tentukan fungsi f(x) ! (isikan jawaban saja)

(a)  

6.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

 Jika f(x)=x3 ; g(x)=3x4 maka nilai (g1of1)(8)=...Jika\ f\left(x\right)=x^3\ ;\ g\left(x\right)=3x-4\ maka\ nilai\ \left(g^{-1}of^{-1}\right)\left(8\right)=...  

(a)  

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

 Jika f(x)=3x1 ; g(x)=2xx+2 ; h(x)=x2Jika\ f\left(x\right)=3x-1\ ;\ g\left(x\right)=\frac{2x}{x+2}\ ;\ h\left(x\right)=x^2   tentukan nilai dari  (fogoh)(2)\left(fogoh\right)\left(\sqrt{2}\right)  
(tulis angka saja)

(a)  

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