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Réciproque d'une fonction

Authored by Simon COVEZ

Mathematics

10th Grade

Used 7+ times

Réciproque d'une fonction
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10 questions

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1.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Soit f:[0,1] [2,3]f:\left[0,1\right]\longrightarrow\ \left[2,3\right] une fonction bijective.


Quel est l'ensemble de définition de  f1f^{-1}  ?



(a)  

2.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Soit f:[0,1][2,4]f:\left[0,1\right]\longrightarrow\left[2,4\right] bijective telle que  f(0,5)=3f\left(0,5\right)=3 

 f1(3)=?f^{-1}\left(3\right)=?    




(a)  

3.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

 f(x) = 2x+1f\left(x\right)\ =\ 2x+1  
 f1(5)=?f^{-1}\left(5\right)=?  


(a)  

4.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

 f(x)=x82xf\left(x\right)=\frac{x-8}{2-x}  
 f1(5)=?f^{-1}\left(5\right)=?  


(a)  

5.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

 f:[0,+)(,2]f:\left[0,+\infty\right)\longrightarrow\left(-\infty,2\right]  définie par  f(x)=2x2f\left(x\right)=2-x^2 .
 f1(7)=?f^{-1}\left(-7\right)=?  




(a)  

6.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

 f:(,0][2,+)f:\left(-\infty,0\right]\rightarrow\left[2,+\infty\right)  définie par  f(x) =x24f\left(x\right)\ =x^2-4  .
 f1(5)=?f^{-1}\left(5\right)=?  


(a)  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  f:IRIRf:IR\rightarrow IR  définie par  f(x)=43xf\left(x\right)=4-3x .

 f1(x)=?f^{-1}\left(x\right)=?  
 

 4x34x-3  

 4x3\frac{4-x}{3}  

 43x\frac{4}{3}x  

 \frac{4}{x-3}  

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