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Sagot :

VINS

bonjour

f (x) = - 4 x /9 - 2 / 9

- 4 x /9 - 2 /9 = 8

- 4 x /9 = 72/9 + 2/9

- 4 x = 74

x = - 37/2

f ( - 37/2) = - 4/9 ( - 37/2) - 2 /9

f ( - 37/2 ) = 148/18 - 2/9 = 148/18 - 4/18 = 144/18 = 8

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