Ans: A
$\begin{array}{cl}
& f(2) – f(-2) \\
= & [2(2)^2 – 5(2) +k] – [2(-2)^2 – 5(-2) +k] \\
= & -20
\end{array}$
$\begin{array}{cl}
& f(2) – f(-2) \\
= & [2(2)^2 – 5(2) +k] – [2(-2)^2 – 5(-2) +k] \\
= & -20
\end{array}$
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