bonjour
f (x) = - 4 x + 3
f ( 3) = - 4 *3 + 3 = - 12+ 3 = - 9
f ( - 2) = - 2 * - 4 + 3 = 8 + 3 = 11
f ( 10) = 10 * - 4 + 3 = - 40 + 3 = - 37
