Continuity and Discontinuity of Functions

Basic Calculus Week 3
1. illustrate continuity of a function at a number
2. determine whether a function is continuous at a number or not
3. illustrate continuity of a function on an interval
4. solves problems involving continuity of a function

[jerwintermos]

how to identify if a function is continuous or discontinuous if there's no given value of x, pls really need ur help po