Sagot :
bjr
si f(x) = 10
toute image de x = 10 => f(2) = f(√5) = f(-3) = 10
si g(x) = 3x - 1
alors g(1) = 3*1 - 1 = 1
etc
si h(x) = mx + 2
alors h(0) = m * 0 + 2 = 2
etc
si l(x) = x²
alors l(2) = 2² = 4
etc
si k(x) = x² - x
alors k(0) = 0² - 0 = 0
etc