
Notion de fonction
Authored by isabelle DESSAUX
Mathematics
3rd Grade
Used 36+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
f est la fonction qui à un nombre fait correspondre la somme de 3 et du carré de ce nombre. Alors , f est la fonction ...
f(x) = (3 + x)²
f(x) = 3 + x²
f(x) = x + 3²
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
g est la fonction définie par g(x) = x² + 2 .
Alors g(-4) est égal à :
10
-14
18
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si f(x) = - x² + 4, alors f(-1) est égal à :
4
3
5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si 4 est un antécédent de -1 par une fonction f , alors on peut écrire :
f (4) = -1
f (-1) = 4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si g(5) = -1, alors :
-1 est un antécédent de 5 par la fonction g
-1 a pour image 5 par la fonction g
5 est un antécédent de -1 par la fonction g
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Soit h la fonction définie par h(x) = 3x + 2
Alors -7 a pour antécédent :
-3
-19
-7
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Si h(x) = -2x + 5 , alors 0 a pour antécédent par h :
0
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