Bonjour exercice de maths sur les fonctions J'aurais besoin d'aide pour le 46 merci.... Pergunta de ideia dedrouiningride

drouiningride @drouiningride

January 2021 1 35 Report

Bonjour exercice de maths sur les fonctions
J'aurais besoin d'aide pour le 46 merci

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AhYan Bonsoir,

1) f(x) = g(x)
x = 4

2) f(x) ≤ g(x)
x€]-oo;4]

3) d1 : y = ax+b
(0;-3) et (2;0)
-3 = b
0 = 2a+b
0 = 2a-3
3 = 2a
3/2 = a
f(x) = 3/2x-3

d2: y = ax+b
(0,4) et (4;3)
4 = b
3 = 4a+b
3 = 4a+4
-1 = 4a
-¼ = a

g(x) = -¼x+4

f(x) = g(x)
3/2x-3 = -¼x+4
3/2x+1/4x = 7
7/4x = 7
7x = 28
x = 4

f(x) ≤ g(x)
3/2x-3 ≤ -¼x+4
3/2x+1/4x ≤7
7/4x ≤ 7
7x ≤ 28
x ≤ 4

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drouiningride January 2021 | 0 Respostas

Hey j'ai vraiment besoin d'aide je n'y arrive pas merci d'avance

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drouiningride January 2021 | 0 Respostas

Bonjour j'aurais besoin d'aide pour l'exercices 4 et 6 merci d'avance

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