Let $f(x)$ be a differentiable function in $[0, 2]$,$f(0) = 0$ and $f'(x) \le \frac{1}{2}$ for all $x \in [0, 2]$. Then:

  • A
    $f(x) \le 1$
  • B
    $f(x) \le 2$
  • C
    $f(x) = 2x$
  • D
    $f(x) = 3$ for some $x \in (0, 2)$

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According to the Mean Value Theorem,which of the following functions does not satisfy the conditions on the interval $[0, 1]$?

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Let $f(x)$ be a non-constant twice differentiable function defined on $(-\infty, \infty)$ such that $f(x)=f(1-x)$ and $f^{\prime}\left(\frac{1}{4}\right)=0$. Then
$(A)$ $f^{\prime \prime}(x)$ vanishes at least twice on $[0,1]$
$(B)$ $f^{\prime}\left(\frac{1}{2}\right)=0$
$(C)$ $\int_{-1 / 2}^{1 / 2} f\left(x+\frac{1}{2}\right) \sin x d x=0$
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Let $f(x)$ satisfy all the conditions of the Mean Value Theorem in $[0, 2]$. If $f(0) = 0$ and $|f'(x)| \le \frac{1}{2}$ for all $x$ in $[0, 2]$,then:

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Rolle's theorem is not applicable to the function $f(x) = |x|$ defined on $[-1, 1]$ because

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