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aude1253
@aude1253
January 2021
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Bonjour pouvez vous m'aider pour ces exercices. Merci
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Sallycr
Tu as la réponse en images
0 votes
Thanks 1
aude1253
Merci j'y suis arrivé à force
Sallycr
jten prie
cossin23
Verified answer
A)f(1) = 2x
f(1)=2×1
f(1)=2.
b)f(3) = 1.5x + 0,5
f(3) = 1,5 × 3 + 0,5
f(3)= 4,5 + 0,5
f(3) = 5.
c)f(1) =- 2x + 4
f(1) = -2 × 1 + 4
f(1) = - 2 + 4
f(1) = 2.
2) f(2) = 2x
f(2) = 2 × 2 = 4. l'image de 2 est egale a 4.
3)f(x) = 2x = 6
f(x) = x = 6 ÷ 2
x = 3.
Voiila Bon courage ! et desoler pour la 2, j'arrive pas.
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Verified answer
A)f(1) = 2xf(1)=2×1
f(1)=2.
b)f(3) = 1.5x + 0,5
f(3) = 1,5 × 3 + 0,5
f(3)= 4,5 + 0,5
f(3) = 5.
c)f(1) =- 2x + 4
f(1) = -2 × 1 + 4
f(1) = - 2 + 4
f(1) = 2.
2) f(2) = 2x
f(2) = 2 × 2 = 4. l'image de 2 est egale a 4.
3)f(x) = 2x = 6
f(x) = x = 6 ÷ 2
x = 3.
Voiila Bon courage ! et desoler pour la 2, j'arrive pas.