Question 1046750
Graph of f(x)=(x+2)²+3
The vertex form of a Parabola opening up(a>0) or down(a<0), 
{{{y=a(x-h)^2 +k}}} 
where(h,k) is the vertex  and  x = h  is the Line of Symmetry 

{{{drawing(300,300,    -10,10,-10,10,  blue(line(-2,10,-2,-10))  ,  
 grid(1),
circle(-4,7,0.4),
circle(-2,3,0.4),
graph( 300, 300, -10,10,-10,10,0, (x+2)^2 +3))}}}