Déterminer la fonction affine f telle que f (6) = 19 et f ( 16) = 39

By: USER5425
27 Agustus 2025 mathematiques 5 minutes
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Grade: Education Subject: mathematiques
Déterminer la fonction affine f telle que f (6) = 19 et f ( 16) = 39
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bien le bonjouuuuuuuuuuur :(

f va passer par les points (6;19) et (16;39)

donc son coef directeur = (39-19)/(16-6) = 20/10 = 2

on a déjà f(x) = 2x+b

et comme f(6)=19

alors f(6) = 2*6+b=19

tu trouves b et conclus

de rien

Answered on 27 Agustus 2025

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