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Mamacita
@Mamacita
May 2019
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Bonsoir, le 68 svp .Merci
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MonsieurFirdown
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Bonsoir
♤1.
f(x) --> Droite rouge
g(x) --> Droite verte
● f(x) = 0
0,6x+1,2 = 0
0,6x = - 1,2
x = -1,2/0,6 = -2
● g(x) = 0
-3x+12 = 0
-3x = -12
x = 12/3 d'où x = 4
♤2.
● a.
0,6x+1,2 > 0
0,6x > - 1,2
x > -1,2/0,6
x > -2
● b.
-3x+12 ≤ 0
-3x ≤ -12
x ≥ 12/3
x ≥ 4
● c.
0,6x+1,2 > -3x+12
0,6x + 3x > 12 - 1,2
3,6x > 10,8
x > 10,8/3,6
x > 3
Tu termines. ..
Voilà ^^
1 votes
Thanks 2
mamacita
Merci mais je comprend pas quand on me demande d’interpréter les résultats?
MonsieurFirdown
graphiquement ça correspond à quoi ^^
mamacita
Ah d’accord merci beaucoup
MonsieurFirdown
^^
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Lista de comentários
Verified answer
Bonsoir♤1.
f(x) --> Droite rouge
g(x) --> Droite verte
● f(x) = 0
0,6x+1,2 = 0
0,6x = - 1,2
x = -1,2/0,6 = -2
● g(x) = 0
-3x+12 = 0
-3x = -12
x = 12/3 d'où x = 4
♤2.
● a.
0,6x+1,2 > 0
0,6x > - 1,2
x > -1,2/0,6
x > -2
● b.
-3x+12 ≤ 0
-3x ≤ -12
x ≥ 12/3
x ≥ 4
● c.
0,6x+1,2 > -3x+12
0,6x + 3x > 12 - 1,2
3,6x > 10,8
x > 10,8/3,6
x > 3
Tu termines. ..
Voilà ^^