juste le 2 et le 3 pls

calcule f (4) = 7×4 = 28
calcule f (-2) = 7×(-2) = -14
calculé g (6) = 5 × 6 + 10 = 40
calculé g (-5) = 5 ×(-5) + 10 =- 15
calculé h (2) = -3 × 2 -1 = -7
calculé h (-1 ) = -3 × (-1) -1 = 2