2.1 Graphing Absolute Value Functions Answer Key
Question: Parent function
Answer: The simplest function of a family of functions
Question: What is the formula for the absolute value parent function?
Answer: f(x) = |x|
Question: Absolute Value
Answer: This represents the distance between x and 0 on a number line; since it represents distance, this number can
be negative. Written as |x|
Question: Piecewise function
Answer: A function which is defined by multiple sub-functions, and each sub-function applying to a certain interval of the main function’s domain (a sub-domain).
Question: True or False?
Absolute value functions are not piecewise functions
Answer: False