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Sagot :

Salut !
Fonction affine = mx+p
m = (h(2)-h(5))/2-5
= (-1-5)/2-5
= -6/-3
= 2

h(2) = 2x2 + p = -1
= 4 + p = -1
= p = -5

Donc h(x) = 2x-5

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