Answer:
y=(x+5)²-3.
Explanation:
1) the coordinates of the vertex are (-5;-3), it means (x+5)², not (x-5)²;
2) the vertex of the given graph is in bottom side, it means no minus before the '(x+5)';
3) according the items 1 and 2 and the given answers, the correct answer is y=(x+5)²-3.