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Sagot :

Réponse:

a. g car g(3)= 9-3²=9-9=0

b. f car f(2)= 4×2-5 =8-5= 3

c. h car f(6)= (6+2)÷(6-2)= 8÷4= 2

d. h car f(0)=(0+2)÷(0-2)= 2÷(-2)= -1

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