Question 1092932
The vertex is at (1, 3), changing the sign of the -1 and keeping the sign of the 3.
It is then a quadratic with 1 x^2, looking like y=x^2 but moved 1 to the right and up 3.
{{{graph(300,300,-10,10,-10,10,(x-1)^2+3,x^2,x^2-2x+4)}}}