robertmathys16 robertmathys16

23-04-2024
Mathematics

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On s'intéresse à la vitesse d'un train en km/h on considère que x minutes après son départ cette vitesse peut être représentée par une fonction v définie par v(x)=3x au carré pour 0 inférieure à x 10 supérieur à x ou x exprimer en minutes et v(x) en km/h

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