Task: Question Answering
Input (English): If \(f(x) = x^2 - 1\) and \(g(x) = 1 - x^2\), then for which of the following values of a does \(f(2a) - 7 = g(2a) + 7\)?
(A)0 (B)1 (C)\(\sqrt { 2 } \) (D)\(\sqrt { 7 } \) (E)7
Output (English): C