Which of the Following Is the Degree 3 Taylor Polynomial $a = 0$

Multiple Choice

Which of the following is the degree 3 Taylor polynomial centered at $a = 0$ for $f ( x ) = \cos ( 2 x )$ ?
1) $1 - ( 2 x ) ^ { 2 } + 16 x ^ { 4 }$ 2) $1 - 2 x ^ { 2 } + \frac { 8 } { 3 } x ^ { 4 }$ 3) $1 - \frac { ( 2 x ) ^ { 2 } } { 2 ! }$

A) None
B) 1
C) 2
D) 3
E) 1, 2
F) 1, 3
G) 2, 3
H) 1, 2, 3