1103034703
Level:
B
Given the graph of the function \( f(x)=2x^2-2x-4 \) and the points \( A \), \( B \), \( C \), \( D \), \( E \), find the solution set of the following equation.
\[ 2x^2-2x-4=1 \]
\( \{a;e\} \)
\( \{b;d\} \)
\( \{c;e\} \)
\( \{ c \} \)