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lady55
@lady55
January 2021
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bonsoir à tous ! quelqu'un pourrait il m'aider sur cet exercice ? merci
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inequation
Verified answer
Bonsoir,
P= 2(x+6)
P= 2x+12
f(3.5)= 2(3.5)+12
f(3.5)= 7+12
f(3.5)= 19
C'est pareil pour l'image par f de 6, tu calcules
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Thanks 1
calinizou
Verified answer
Bonjour
périmètre du rectangle =(L+l)*2
donc (6+x)*2=12+2x
donc fonction affiné f(x)=2x+12
image de 3.5
f(3.5)=2*3.5+12=19
image de 6
f(6)=2*6+12=24
* veut dire multiplier
2 votes
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lady55
Merci
calinizou
de rien
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Lista de comentários
Verified answer
Bonsoir,P= 2(x+6)
P= 2x+12
f(3.5)= 2(3.5)+12
f(3.5)= 7+12
f(3.5)= 19
C'est pareil pour l'image par f de 6, tu calcules
Verified answer
Bonjourpérimètre du rectangle =(L+l)*2
donc (6+x)*2=12+2x
donc fonction affiné f(x)=2x+12
image de 3.5
f(3.5)=2*3.5+12=19
image de 6
f(6)=2*6+12=24
* veut dire multiplier