Write the Equation of a Sine Function That Has the Given

Multiple Choice

Write the equation of a sine function that has the given characteristics.
-Amplitude: 2
Period: $\pi$
Phase Shift: $\frac { 7 } { 2 }$

A) $y = \sin ( 2 x + 7 )$
B) $y = 2 \sin \left( 2 x + \frac { 7 } { 2 } \right)$
C) $y = 2 \sin ( 2 x - 7 )$
D) $y = 2 \sin \left( \frac { 1 } { 2 } x - 14 \right)$