Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-The graph of a quadratic function $y=f(x)$ is shown in the standard viewing window, without $x$ -axis tick marks. Which one of the following sets could possibly be the solution set for $f(x) =0$ ?

A) $\{-2,4\}$
B) $\{-2,-4\}$
C) $\{-4,2\}$
D) $\{2,4\}$