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Sagot :

VINS

bonsoir

f (x) = - 3 x + 2

il suffit de remplacer x

f ( 1 ) = - 3 + 2 = - 1

f ( 0 ) = 2

f ( - 2 ) = 6 + 2 = 8

f ( 2/3 ) = - 6/3 + 2 = - 2 + 2 = 0

Tu remplaces x  par la valeur donnée:

a) f(1) = (-3) * 1  + 2 = -3+2 = -1

b) f(0) = (-3) * 0 + 2 = 0 + 2 = 2

c) f(-2) = (-3) * (-2)  + 2 = 6+2 = 8

d) f(2/3) = (-3) * 2/3 + 2 = -6/3 + 2 = -2+2 = 0

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