f(x) = 29x2 + 3x + 4 Replace every x by (x+15) f((x+15)) = 29(x+15)2 + 3(x+15) + 4 f(x+15) = 29(x+15)(x+15) + 3x+45 + 4 f(x+15) = 29(x2+30x+225) + 3x+45 + 4 f(x+15) = 29x2+870x+6525 + 3x+45 + 4 f(x+15) = 29x2+873x+6574 g(x) = f(x+15) = 29x2+873x+6574 Edwin