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Haaaawaaaa
@Haaaawaaaa
May 2019
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Bonsoir
On considére la fonction affine suivante : k: x ----> -5x+3
1) Calculer l'antécédent du nombre2 par la fonction k.
2) Calculer l'image du nombre -3 par la fonction K
Merci d'avance
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AhYan
Verified answer
Bonsoir,
1) Tu dois résoudre l'équation:
f(x) = 2
-5x+3 = 2
-5x = -1
x = 1/5
2) f(x) = -5x+3 = (-5×3)+3 = -12
1 votes
Thanks 0
Gimmy1
1) -5x+3 = 2
K(0,2) = 2
2) -5*-3+3 = 18
K(-3) = 18
1 votes
Thanks 0
Gimmy1
Pour résoudre -5x=-1 il faut diviser (-5)
Gimmy1
On trouve donc x = 0,2
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Lista de comentários
Verified answer
Bonsoir,1) Tu dois résoudre l'équation:
f(x) = 2
-5x+3 = 2
-5x = -1
x = 1/5
2) f(x) = -5x+3 = (-5×3)+3 = -12
K(0,2) = 2
2) -5*-3+3 = 18
K(-3) = 18