Evaluate Limit of Signum Function

[nycmathguy]

Calculus
Section 2.3

Last question for today.

Yes, I want to see the graph.
For part (b), I want (i) through (iv).
More Calculus on Friday through the weekend. No math on Thursday.

 

[MathLover1]

=> two-sided limit does not exist

 

[nycmathguy]

View attachment 2948

View attachment 2949

View attachment 2950

=> two-sided limit does not exist

Thanks for the video clip.

Evaluate Limit of Piecewise Function