Write an Equation for a Sine Curve That Has the Given

Write an equation for a sine curve that has the given amplitude and period, and which passes through the given point.
-Amplitude 3 , period 8 , point $( 7,0 )$

A) $y = 3 \sin \left( 4 x - \frac { 4 } { 7 } \right)$
B) $y = 3 \sin \left( 8 x - \frac { \pi } { 7 } \right)$
C) $y = 3 \sin \left( \frac { \pi } { 4 } x - \frac { 7 } { 4 } \pi \right)$
D) $y = 3 \sin \left( \frac { \pi } { 4 } x - \frac { \pi } { 7 } \right)$

Correct Answer:

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