Answer
amplitude $4$, period $\pi$, vertical translation $+3$ (up), and phase shift $-\frac{\pi}{4}$ (to the left).
Work Step by Step
Rewrite the function as $y=-4sin[2(x+\frac{\pi}{4})]+3$, we can identify the amplitude as $|A|=|-4|=4$, period as $p=\frac{2\pi}{2}=\pi$, vertical translation as $+3$ (positive means up), and phase shift as $-\frac{\pi}{4}$ (negative means to the left).
