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Sagot :

Réponse:

a. (image de 2 revient à dire que x=2)

h(2)=2^2 - 5 = 4-5 = 1

b. h(0)= 0^2 - 5 = -5

c. h(-5)= (-5)^2 - 5 = 25-5 = 20

d. h(8) = 8^2 - 5 = 64-5 = 59

(^ signifie "puissance")

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