Question 354724
y=2(x+1)^2
Y=2(X^2+2X+1)
Y=2X^2+4X+2
{{{ graph( 300, 200, -6, 5, -10, 10, 2x^2 +4x +2)}}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 2x^2 +4x +2).