Question 263004
f(x)=-x^2-2x+7
{{{ graph( 300, 200, -6, 5, -10, 10, -x^2 -2x +7) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -x^2 -2x +7). 
Vertex=(-1,8)
Axis=-1