If $f(x)=\sqrt{2 x-1}+5 \cos ^{-1}\left(\frac{2 x-1}{3}\right)$ then the domain of the function $f(x)$ is

If $f(x)=\sqrt{2 x-1}+5 \cos ^{-1}\left(\frac{2 x-1}{3}\right)$ then the domain of the function $f(x)$ is
  1. $\left[-1, \frac{1}{2}\right]$
  2. $\left[\frac{1}{2}, 2\right]$
  3. $[-1,2]$
  4. $\left[\frac{1}{2}, \infty\right)$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2018 (24 Apr Shift 2)

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