Write the Polynomial $- 2 x - 6 x ^ { 4 } + 4 x ^ { 2 } + 7$

Multiple Choice

Write the polynomial $- 2 x - 6 x ^ { 4 } + 4 x ^ { 2 } + 7$ in standard form. Find the leading coefficient of the polynomial.

A) $7 + 4 x ^ { 2 } - 2 x - 6 x ^ { 4 }$ leading coefficient: 2
B) $- 6 x ^ { 4 } + 4 x ^ { 2 } - 2 x + 7$ leading coefficient: 7
C) $7 + 4 x ^ { 2 } - 2 x - 6 x ^ { 4 }$ leading coefficient: 7
D) $- 6 x ^ { 4 } + 4 x ^ { 2 } - 2 x + 7$ leading coefficient: 6
E) $- 6 x ^ { 4 } + 4 x ^ { 2 } - 2 x + 7$ leading coefficient: 2