Question 244224
f(x)=-(x-2)^2+3
{{{ graph( 300, 200, -6, 5, -10, 10, -(x-2)^2 +3) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -(x-2)^2 +3). 
Vertex=(2,3)
Axis of symmetry x=2