Fonctions

Fonctions

9th - 12th Grade

7 Qs

quiz-placeholder

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Fonctions

Fonctions

Assessment

Quiz

Mathematics

9th - 12th Grade

Easy

Created by

Château Château Eğitim

Used 5+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

On considère la fonction f définie par

 f(x)=53x2f\left(x\right)=5-3x^2  Déterminer l'image de -1.

 2\sqrt{2}  

2

-2

 2-\sqrt{2}  

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 f: NN et f(x)=2x214f:\ N\rightarrow N\ et\ f\left(x\right)=2x^2-14  Déterminer le ou les antécédent(s) de 4.

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Nombre d'antécédents pour de 1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Donner l'ensemble de définition pour

 g(x)=x2+x+1x25g\left(x\right)=x^2+x+\frac{1}{x^2-5}  

R - { -5 ; 5 }

R - {  5 ; 5-\sqrt{5}\ ;\ \sqrt{5}  }

R

R - {  5\sqrt{5}  }

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Trouver

 f1(2)f^{-1}\left(2\right)  sachant que  f(x)=54x7x+3f\left(x\right)=\frac{5-4x}{7x+3}  

 911\frac{9}{11}  

 137\frac{13}{7}  

 118-\frac{1}{18}  

 137-\frac{13}{7}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (f o g)(x)=3x25x+8 et f(x)=2x+4\left(f\ o\ g\right)\left(x\right)=3x^2-5x+8\ et\ f\left(x\right)=2x+4  Trouver g(x). 

 3x2+5x+43x^2+5x+4  

 3x2+5x+42\frac{3x^2+5x+4}{2}  

 3x2+5x+44\frac{3x^2+5x+4}{4}  

 3x2+5x+48\frac{3x^2+5x+4}{8}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (f o g)=4x2+5x1 et g(x)=x+2\left(f\ o\ g\right)=4x^2+5x-1\ et\ g\left(x\right)=x+2  Trouver f(x)

 4x2+11x+54x^2+11x+5  

 4x2+11x+5-4x^2+11x+5  

 4x211x54x^2-11x-5  

 4x211x+54x^2-11x+5