Let $f(x) = 2x + \tan^{-1} x$ and $g(x) = \log_e(\sqrt{1+x^2} + x)$,$x \in [0, 3]$. Then:

  • A
    There exists $\hat{x} \in [0, 3]$ such that $f'(\hat{x}) < g'(\hat{x})$
  • B
    $\max f(x) > \max g(x)$
  • C
    There exist $0 < x_1 < x_2 < 3$ such that $f(x) < g(x)$,$\forall x \in (x_1, x_2)$
  • D
    $\min f'(x) = 1 + \max g'(x)$

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Similar Questions

Match the functions of List $I$ with the items of List $II$.
List $I$List $II$
$A. 3x^4 - 2x^3 - 6x^2 + 6x + 1$$(I)$ has minimum value at $x = 4$
$B. x + \frac{1}{x}, \forall x < 0$$(II)$ has maximum value at $x = -1$
$C. x^4(7 - x)^3$$(III)$ has maximum value at $x = 4$
$D. x^4 + (8 - x)^4$$(IV)$ is decreasing in $[2, \infty)$
$(V)$ is increasing in $[2, \infty)$

If $f(x)=\int_0^x e^{t^2}(t-2)(t-3) dt$ for all $x \in(0, \infty)$,then
$(A)$ $f$ has a local maximum at $x=2$
$(B)$ $f$ is decreasing on $(2,3)$
$(C)$ there exists some $c \in(0, \infty)$ such that $f^{\prime \prime}(c)=0$
$(D)$ $f$ has a local minimum at $x=3$

Let $R$ denote the set of all real numbers. For a real number $x$,let $[x]$ denote the greatest integer less than or equal to $x$. Let $n$ denote a natural number. Match each entry in List-$I$ to the correct entry in List-$II$ and choose the correct option.
List-$I$List-$II$
$(P)$ The minimum value of $n$ for which the function $f(x)=\left[\frac{10 x^3-45 x^2+60 x+35}{n}\right]$ is continuous on the interval $[1,2]$,is$(1)$ $8$
$(Q)$ The minimum value of $n$ for which $g(x)=\left(2 n^2-13 n-15\right)\left(x^3+3 x\right), x \in R$,is an increasing function on $R$,is$(2)$ $9$
$(R)$ The smallest natural number $n$ which is greater than $5$,such that $x=3$ is a point of local minima of $h(x)=\left(x^2-9\right)^{n}\left(x^2+2 x+3\right)$,is$(3)$ $5$
$(S)$ Number of $x_0 \in R$ such that $l(x)=\sum_{k=0}^4\left(\sin |x-k|+\cos \left|x-k+\frac{1}{2}\right|\right), x \in R$ is not differentiable at $x_0$,is$(4)$ $6$
$(5)$ $10$

For the function $f(x) = x^4 (12 \ln x - 7)$,which of the following statements is true?

Two differentiable functions $f(x)$ and $g(x)$ are such that $f''(x) > 0$ and $g''(x) < 0$ for all $x \in (a,b)$ and $\int_{a}^{b} f(x) dx = \int_{a}^{b} g(x) dx$. If $f(x) = g(x)$ for $x = \alpha, \beta \in (a,b)$ $(\alpha < \beta)$,then:

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