qqp question1: Is [math]f(x) = \mathrm{e}^{\frac{1}{x}}[/math] at [math]x=0[/math] a continuous or discontinuous function? question2: Is the function [math]f(x)=\frac{x^2–16}{x+4}[/math] discontinuous at [math]x = -4[/math]?