$A$ function $y=f(x)$ with $f(-1)=-249$ has no maximum and has only one minimum at $x=5$ with $f(5)=75$. Which one of the following is true?

  • A
    At some point in $(-1,5)$,$f(x)$ is discontinuous
  • B
    The minimum value cannot be $75$ since $f(-1) < f(5)=75$
  • C
    $f(x)$ is discontinuous at every point of $\mathbb{R}$
  • D
    $f(x)$ is continuous on $\mathbb{R}$

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