If $f(x) = x^{3}$ and $g(x) = x^{3} - 4x$ in the interval $[-2, 2]$,consider the following statements:
$(a)$ $f(x)$ and $g(x)$ satisfy the Mean Value Theorem.
$(b)$ $f(x)$ and $g(x)$ both satisfy Rolle's Theorem.
$(c)$ Only $g(x)$ satisfies Rolle's Theorem.
Which of these statements is correct?

  • A
    $(a)$ alone is correct
  • B
    $(a)$ and $(c)$ are correct
  • C
    $(a)$ and $(b)$ are correct
  • D
    None is correct

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