Answer
See explanations.
Work Step by Step
1. Given $y=-1+2sin(x+\pi)=2sin(x+\pi)-1$, we have $|A|=2, p=2\pi, \phi=-\pi$
2. Graph $y=sin(x)$ (blue), shift $\pi$ to the left, stretch vertically by a factor of 2, then shift 1 unit down to get $y=-1+2sin(x+\pi)$ (red).