Question
If $y=2 x+\cot ^{-1} x+\log \left(\sqrt{1+x^{2}}-x\right)$, then $y$(a) decreases on $(-\infty, \infty)$(b) decreases on $[0, \infty)$(c) neither decreases nor increases on $[0, \infty)$(d) increases on $(-\infty, \infty)$
Step 1
The function $y$ is given by $y=2 x+\cot ^{-1} x+\log \left(\sqrt{1+x^{2}}-x\right)$. Show more…
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