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Komposisi Fungsi dan Invers

Authored by Yusuf Sodhiqin

Mathematics

10th Grade

Used 269+ times

Komposisi Fungsi dan Invers
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 jika f(x)=2x dan g(x)=x+1,  (f o g)(x) = ...jika\ f\left(x\right)=2x\ dan\ g\left(x\right)=x+1,\ \ \left(f\ o\ g\right)\left(x\right)\ =\ ...  

 A. 2x+1A.\ 2x+1  

 B. 2x+2B.\ 2x+2  

 C. 2xC.\ 2x  

 D. x+1D.\ x+1  

 E. 2x1E.\ 2x-1  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=x+1 dan g(x)=x1, (g o f)(x)=...f\left(x\right)=x+1\ dan\ g\left(x\right)=x-1,\ \left(g\ o\ f\right)\left(x\right)=...  

 A. x+1A.\ x+1  

 B. x1B.\ x-1  

 C. xC.\ x  

 D. x+2D.\ x+2  

 E. x2E.\ x-2  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

f(x) = 2x, g(x) = 2x / x - 2  (f o g)(1)=...

A. - 1 

B. - 2

C. - 3

D. - 4

E. - 5

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 f(x4)=x26x+8, f(2)=f(x-4)=x^2-6x+8,\ f(2)=⋯  

A. 2

B. 4

C. 6

D. 8

E. 10

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=2x5. Nilai dari f1(x) adalahf(x)=2x-5.\ Nilai\ dari\ f^{-1}(x)\ adalah…  

 A. (x+5)/2A.\ (-x+5)/2  

 B. (x+5)/2B.\ (x+5)/2  

 C. (x5)/2C.\ (x-5)/2  

 D. (2x+5)/2D.\ (-2x+5)/2  

 E. (2x+5)/2E.\ (2x+5)/2  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 g(x)=32x dan (g o f)(x)=2x2+2x12,g\left(x\right)=3-2x\ dan\ \left(g\ o\ f\right)\left(x\right)=2x^2+2x-12,  rumus fungsi f(x) adalah ...

 A.  x2+x+7,5A.\ \ x^2+x+7,5  

 B. x2x7,5B.\ -x^2-x-7,5  

 C. x2+x+7,5C.\ -x^2+x+7,5  

 D. x2x+7,5D.\ -x^2-x+7,5  

 E. x2x+7,5E.\ x^2-x+7,5  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

diberikan fungsi  f(x)=3x3,f\left(x\right)=3x-3,  nilai dari  f o f o f (x)=...f\ o\ f\ o\ f\ \left(x\right)=...  

 A. 27x3A.\ 27x-3  

 B. 27x  9B.\ 27x\ -\ 9  

 C. 27x  39C.\ 27x\ -\ 39  

 D. 27x + 9 D.\ 27x\ +\ 9\   

 E. 27x  39E.\ -27x\ -\ 39  

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