How do i identify the parent function?

Question: How do i identify the parent function?

Explanation: when we think of the linear functions which make up a family of functions the parent function would be y = x.

Answer: Expand and simplify the function. For example expand the function y = (x+1) ^2" to "y=x^2+2x+1.

Remove any transformations from the functions. This includes sign changes, added and multiplied constants and extra terms. For example, you can simplify "y=2*sin (x+2) " to "y=sin (x) " or "y=|3x+2|" to "y=|x|."

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(jacemorris04)