math 95 section 3.2 introduction to functions …cf.linnbenton.edu/mathsci/math/storrsm/upload/3.2...
TRANSCRIPT
Math 95 Section 3.2 Introduction to Functions used.notebook January 06, 2016
Section 3.2Introduction to Functions
Objectives:
• Define Relation, Domain, and Range
• Identify a function
• Use the Vertical Line Test for functions
• Find the domain and range of a function
• Use function notation
Math 95 Section 3.2 Introduction to Functions used.notebook January 06, 2016
Vocabulary:
Function:
Relation:
Domain:
Range:
a set of ordered pairs
the set of the second components of a relation
the set of the first components of a relation
a relation in which each first component of the ordered pairs corresponds to exactly one second component.
(Translated)
Math 95 Section 3.2 Introduction to Functions used.notebook January 06, 2016
Practice:Determine the Domain and Range of each relation:
a.)
b.)
Are they functions?
c.)
Math 95 Section 3.2 Introduction to Functions used.notebook January 06, 2016
Vocabulary:Vertical Line Test:
Math 95 Section 3.2 Introduction to Functions used.notebook January 06, 2016
Practice:Do the following graphs pass the Vertical Line Test?
Are they functions?
State each domain and range.
Math 95 Section 3.2 Introduction to Functions used.notebook January 06, 2016
Practice:Do the following graphs pass the Vertical Line Test?
Are they functions?
State each domain and range.
Math 95 Section 3.2 Introduction to Functions used.notebook January 06, 2016
Vocabulary:Function Notation: If is a function of , we can write
(read “ of ”) showing depends on or is a function of .
Dependent Variable:
Independent Variable:
(Translated)
Math 95 Section 3.2 Introduction to Functions used.notebook January 06, 2016
Using Function Notation:Given: and
Find: