bonjour

g (x) = ( x + 1 )²

g ( - 4 )   = ( - 3 )² = 9

g ( - 3 ) = ( - 2 ) ² = 4

g ( - 2 ) = ( - 1 ) ² = 1

g (0 ) = 1

g ( 1) =  2² = 4

g ( 2 ) =  9

g ( 3 ) = 16

antécédents de 9  =  - 4  et 2