Je m'entraîne
41
x désigne un nombre positif.
On note A la fonction qui, à
une l...
![subject](/tpl/images/cats/mat.png)
Mathematics, 04.12.2021 01:10 alove1777
Je m'entraîne
41
x désigne un nombre positif.
On note A la fonction qui, à
une longueur x en cm, associe x
l'aire, en cm?, du triangle
rectangle représenté ci-contre.
a. Calculer A(3).
b. Donner l'expression de A(x).
C. Est-il vrai que 5 est un antécédent de 17,5 par la
fonction A?
![ansver](/tpl/images/cats/User.png)
Answers: 3
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