Réponse :
bonjour
f(x)=3(x+1)/x+3
x -2 -1 0 1 2 3 4 5
f(x) -3 0 1 1.5 1.8 2.142 2.25 2.25
x 6 7 8 9 10 11 12
f(x) 2.333 2.4 2.454 2.5 2.538 2.571 2.6
calcul
3(-2+1)/-2+3=3(-1)/1=-3
3(-1+1)/-1+3=3(0)/2=0
3(0+1)/0+3=3/3=1
3(1+1)/1+3=6/4=3/2=1.5
3(2+1)/2+3=9/5=1.8
3(3+1)/3+3=12/6=2
3(4+1)/4+3=15/7=2.142
3(5+1)/5+3=18/8=9/4=2.25
3(6+1)/6+3=21/9=7/3=2.333
3(7+1/)7+3=24/10=2.4
3(8+1)/8+3=27/11=2.454
3(9+1)/9+3=30/12=5/2=2.5
3(10+1)/10+3=33/13=2.538
3(11+1)/11+3=36/14=18/7=2.571
3(12+1)/12+3=39/15=13/5=2.6
Explications étape par étape
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Réponse :
bonjour
f(x)=3(x+1)/x+3
x -2 -1 0 1 2 3 4 5
f(x) -3 0 1 1.5 1.8 2.142 2.25 2.25
x 6 7 8 9 10 11 12
f(x) 2.333 2.4 2.454 2.5 2.538 2.571 2.6
calcul
3(-2+1)/-2+3=3(-1)/1=-3
3(-1+1)/-1+3=3(0)/2=0
3(0+1)/0+3=3/3=1
3(1+1)/1+3=6/4=3/2=1.5
3(2+1)/2+3=9/5=1.8
3(3+1)/3+3=12/6=2
3(4+1)/4+3=15/7=2.142
3(5+1)/5+3=18/8=9/4=2.25
3(6+1)/6+3=21/9=7/3=2.333
3(7+1/)7+3=24/10=2.4
3(8+1)/8+3=27/11=2.454
3(9+1)/9+3=30/12=5/2=2.5
3(10+1)/10+3=33/13=2.538
3(11+1)/11+3=36/14=18/7=2.571
3(12+1)/12+3=39/15=13/5=2.6
Explications étape par étape