Question 1158629
When x is 0, f(x) is 1. If x is very slightly below 0, f(x) is very close to 1. As x gets closer and closer to 0, but never reaches 0, f(x) gets closer and closer to 1, but never reaches 1. f(x) is continuous at 0. Here is a graph, <center><img src= https://imgur.com/download/hZlfGOr/></center>