Answer
See graph
Work Step by Step
x=(y-4)^2-1$$
The vertex is (-1,4)$$
Substitute an x-value to find its corresponding y-values.
$$0=(y-4)^2-1$$
$$1=(y-4)^2$$
$$y-4=1$$
$$y=5$$
$$(0,5)$$
$$-1=y-4$$
$$y=3$$
$$(0,-3)$$
Plot these points on a graph and connect with a smooth curve.
