Lecture Notes for MA 180 - PRECALCULUS at Montgomery College (MC)

Notes Information

Material Type:Class Note
University:Montgomery College
Term:Fall 2008
  • The Independent
  • Dependent Variable
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MA 180 Precalculus (Scott) Functions (Chapter 2: 2.1 - 2.2) Chapter 2 (fall 2008) Page 1 of 6 FUNCTION MACHINE Section 2.1: Functions 1. Determine Whether a Relation Represents a Function (p. 56) 2. Find the Value of a Function (p. 60) 3. Find the Domain of a Function Defined by an Equation (p. 63) 4. Form the Sum, Difference, Product, and Quotient of Two Functions (p. 65) A relation is a correspondence between two sets - a set of ordred pairs. Let X and Y be two nonempty sets. A function from X into Y is a relation that associates each element of X with exactly one element of Y. The set X is called the domain of the function. For each element x in X, the corresponding element y in Y is called the image of x. The set of all images of the elements of the domain is called the range of the function. MA 180 Precalculus (Scott) Functions (Chapter 2: 2.1 - 2.2) Chapter 2 (fall 2008) Page 2 of 6 The name of the function is f. The independent variableor ...
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