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Fonction polynomiale

Exercice

Coder une fonction f, sachant qu'elle traduit l'expression mathรฉmatique

f(x)=5x2โˆ’3x+1
Aide

Plusieurs possibilitรฉs pour x2 :

  • x ** 2
  • x * x

โš  Ne pas oublier que les autres multiplications doivent รชtre explicites.

def f(x):
y = ... # ligne ร  modifier
return y
# Tests
assert f(0) == 1
assert f(1) == 3
assert f(-1) == 9
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###(Dรฉs-)Active le code aprรจs la ligne # Tests (insensible ร  la casse)
(Ctrl+I)
Entrer ou sortir du mode "deux colonnes"
(Alt+: ; Ctrl pour inverser les colonnes)
Entrer ou sortir du mode "plein รฉcran"
(Esc)
rounded
>>> 
 
x
x
Tronquer ou non le feedback dans les terminaux (sortie standard & stacktrace / relancer le code pour appliquer)
Si activรฉ, le texte copiรฉ dans le terminal est joint sur une seule ligne avant d'รชtre copiรฉ dans le presse-papier
ร‰valuations restantes : 5/5
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