Write the Equation $y = 5 x ^ { 2 } - 4$

Multiple Choice

Write the equation $y = 5 x ^ { 2 } - 4$ using function notation.

A) $y = 5 x ^ { 2 } - 4$
B) $y ( x ) = 5 x ^ { 2 } - 4$
C) $5 x ^ { 2 } - 4 = 0$
D) $5 x ^ { 2 } - 4 - y = 0$
E) $f \left( 5 x ^ { 2 } - 4 \right)$