bonsoir
g (x) = 2 x ³ - 3 x + 1
g (2) = 2 ( 2)³ - 3 *2 + 1
g (2) = 16 - 6 + 1 = 11
le point ( 2 ; 11 ) ∈ à la courbe
g ( - 2) = 2 ( - 2 ) ³ - 3 * - 2 + 1
g ( -2) = - 8 + 6 + 1 = - 1
le point ( - 2 ; - 1 ) ∈ courbe
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bonsoir
g (x) = 2 x ³ - 3 x + 1
g (2) = 2 ( 2)³ - 3 *2 + 1
g (2) = 16 - 6 + 1 = 11
le point ( 2 ; 11 ) ∈ à la courbe
g ( - 2) = 2 ( - 2 ) ³ - 3 * - 2 + 1
g ( -2) = - 8 + 6 + 1 = - 1
le point ( - 2 ; - 1 ) ∈ courbe