CPM Homework Help : PCT Problem 6-61

For the equation $y = 3\sin( \frac { \pi } { 2 } ( x - 2 ) ) + 1$ , find the amplitude, horizontal and vertical shifts, and the period.

Horizontal Hint:

Remember to go opposite the sign.

Period Hint:

$pb = 2π$
The equation gives b, but you want p (period).