Determine all values of x at which the function is discontinuous. 
__________
Definitions:
Regression Analysis
A set of statistical processes for estimating the relationships among variables, often used to determine the strength and character of the relationship between a dependent variable and one or more independent variables.
Prediction Interval
A prediction interval indicates the range within which a future observation will fall with a specific probability, given what has already been observed.
Typing Speed
Typing speed measures how many words or characters a person can type in a specific amount of time, usually represented as words per minute (WPM).
Reading Speed
The rate at which an individual is able to read and comprehend written text, often measured in words per minute.
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