Bonsoir
f (x) = 7 x + 6
f ( 6) = 42 + 6 = 48
f (2) = 14 + 6 = 20
g (x) = 4 x² + 9 x - 4
g ( 5) = 4 *25 + 9*5 - 4 = 100 + 45 - 4 = 141
g ( - 4 ) = 4 ( - 4 ) ² + 9 *-4 - 4 = 64 - 36 - 4 = 24
h ( 1) = - 1
h ( 3 ) = - 4
h 0) = 3
h ( 2 ) = 0
k ( - 3 ) = 3
k ( 3) = 0
k ( 1) = - 2
k ( - 2 ) = - 3
