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These are important terms and notations for this section.
Below is a quick-reference for definitions in this chapter.
Graph (of a function) A visual representation of the relationship between domain and
range, ie the “x-y coordinate picture” of a function.
(Cartesian) Coordinates A method of graping a function where the domain and range
meet at a right angle (ie the so-called “x-y plane”.)
Precision How exact (aka how specific) a value is. For example, is more precisely
determined than since it has considerably more digits given.
Accuracy How close to correct a value is. For example, is a more accurate value of
than , even though is a more precise number than .
Parent Function A parent functions is the ‘prototypical’ form of the given function
type. That is to say, the ‘parent function’ of a function type is the base (ie most
basic) version of that function without any manipulations, shifts, or changes to it’s
form. For example: The parent function of the quadratic function would be . This is the
base type without anything added to it. This is most commonly referenced by asking a question. For example: ‘What is the
parent function type of the function ?’ In this case the answer would be
since the given function was a quadratic, and is the parent function for a