Write an Equation for the Function That Is Described by the Given

Multiple Choice

Write an equation for the function that is described by the given characteristics.
A sine curve with a period of $\pi$ , an amplitude of 4, a right phase shift of $\frac { \pi } { 2 }$ , and a vertical translation up 7 units.

A) y = 10 + 4 sin (2x + $\pi$ )
B) y = 7 + 4 sin (2x - $\pi$ )
C) y = 9 - 4 sin (2x + $\pi$ )
D) y = 8 + 4 sin (- 2x - $\pi$ )
E) y = 11 + 7 sin (2x - $\pi$ )