The quadratic equation for the graph is

Question

$\begin{array}{1 1} (a)\;y=-2(x+1)^2+4 \\ (b)\;y=2(x+1)^2+4 \\ (c)\;y=-4(x+1)^2+2 \\(d)\;y=4(x+1)^2+2 \end{array}$