Browse Questions

# If $f(x) =|x|+ | \sin x|$ for $x \in \bigg(-\large\frac{\pi}{2},\frac{\pi}{2}\bigg),$ then its left hand derivative at $x=0$ is

$(a)\;0 \quad (b)\;-1 \quad (c)\;-2 \quad (d)\;-3$

(c) -2