Mathematics

Problem

For

g(x)=\tan x - x

defined on

-\dfrac{\pi}{2}<x<\dfrac{\pi}{2}

, at which value of

x

does

g

have a point of inflection? a)

x=-\dfrac{\pi}{4}

g

has no point of inflection on that interval c)

x=0

x=\dfrac{\pi}{4}