For defined on

MATHEMATICS · Single correct · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

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}

(b)

g

has no point of inflection on that interval (c)

x=0

(d)

x=\dfrac{\pi}{4}