Match the Function with Its Graph $y = \sin 3 x$

Multiple Choice

Match the function with its graph.
-1) $y = \sin 3 x$
2) $y = 3 \cos x$
3) $y = 3 \sin x$
4) $y = \cos 3 x$

A) $1 \mathrm {~A} , 2 \mathrm { D } , 3 \mathrm { C } , 4 \mathrm {~B}$
B) $1 \mathrm {~B} , 2 \mathrm { D } , 3 \mathrm { C } , 4 \mathrm {~A}$
C) $1 \mathrm {~A} , 2 \mathrm {~B} , 3 \mathrm { C } , 4 \mathrm { D }$
D) $1 \mathrm {~A} , 2 \mathrm { C } , 3 \mathrm { D } , 4 \mathrm {~B}$