# Differentiability at a point: algebraic

Created by Tomer Gal.

### Problem

Is the function given below continuous/differentiable at x, equals, minus, 1?
$g(x)=\begin{cases} -2x-1&,&x<-1 \\\\ x^2+3&,&x\geq-1 \end{cases}$
Please choose from one of the following options.