Answer the Question $y = 4 \sin \left( \frac { 1 } { 2 } x \right)$

Multiple Choice

Answer the question.
-Which one of the equations below matches the graph?

A) $y = 4 \sin \left( \frac { 1 } { 2 } x \right)$
B) $y = 4 \cos \left( \frac { 1 } { 2 } x \right)$
C) $y = 2 \cos \left( \frac { 1 } { 4 } x \right)$
D) $y = 4 \cos ( 2 x )$