Answer: y = 2 (x+3)^(2) -1
Explanation:
y=mx+b formula
inside parentheses as (x+n) or (x-n) brings the graphed line left or right on the x-axis (+ is left, - is right). thus, we have (x+3), which is then squared to create the u shaped curve.
to bring the point curve to a -1 in the y-axis (-3,-1), a -1 is added to the end, outside of the parentheses. thus we now have [(x+3)^2] -1
to narrow the curve, the part parentheses is multiplied, here by two. thus, the final answer is y=[(x+3)^2]-1