Function Vocab
Evaluating Function Rules
Discrete or Continuous
Relations
Is it a Function?
100
True or False-A relation is a set of ordered pairs
What is TRUE?
100
Evaluate f(x)=-3x if x=2
What is -6?
100
The name of the horizontal axis is called______________.
What is the x-axis?
100
State the domain of the function {(4,-2),(-1,1),(2,-3),(3,0)}
What is {4,-1,2,3}?
100
Is it a function?
{(2, 3), (4, 5), ( -2, 6)}
What is YES because x does not repeat?
200
The set of first coordinates of a relation or a function
What is Domain?
200
Evaluate f(x)=2x+1 if x=-2
What is -3?
200
Another name for the coordinates (0,0) would be the _______________.
What is the origin?
200
State the range of the function {(4,-2),(-1,1),(2,-3),(3,0)}
What is {-2,1,-3,0}?
200
Using the vertical line test does the graph of the points (1,3) and (1,5) represent a function?
What is False, the points fail the vertical line test
300
The set of second coordinates in a relation or a function
What is the range?
300
Evaluate f(x)=-3 - x if x=6
What is -9?
300
A set of ordered pairs is called a _______________.
What is a relation?
300
Find the domain and range of {(-1,5),(2,3),(4,2),(-1,2)}
What is a domain of {-1,2,4} and a range of {5,3,2}?
300
Is it a function?
| x | y |
| 2 | 4 |
| 1 | 5 |
| 2 | 6 |
What is NO because x repeats?
400
A relation that assigns exactly one value in the range to each value in the domain?
What is a function?
400
Evaluate f(x)=25 + 4x if x=5
What is 45?
400
The set of all of the x-values in a relation is called the__________________.
domain
400
Find the domain and range of {(-3,4),(0,10),(11,8),(4,5)}
What is a domain of {-3,0,11,4} and a range of {4,10,8,5}?
400
Is it a function?
%26x%3D0003&imgrefurl=http://www.algebra.com/algebra/homework/Coordinate-system/Coordinate-system.faq.question.24806.html&usg=__N8FQPaDH4lCUX1u24T4Y85yHJg0=&h=302&w=308&sz=8&hl=en&start=18&zoom=1&tbnid=QxN6mNRwuBZU7M:&tbnh=115&tbnw=117&ei=dJa7TY3pKaLz0gH9iYCwBg&prev=/search%3Fq%3Dlinear%2Bgraphs%26hl%3Den%26rls%3Dcom.microsoft:en-us:IE-SearchBox%26rlz%3D1I7TSNA_enUS397US397%26biw%3D1345%26bih%3D606%26site%3Dsearch%26tbm%3Disch&um=1&itbs=1)
What is YES because it passes the Vertical Line Test?
500
The test to tell if a graph is a function
What is the Vertical Line Test?
500
Evaluate f(x)=-(4x+2) if x=7
What is -30
500
Write an example of an ordered pair. Circle the first number. This number is called the________________.
What is the x coordinate?
500
Find the domain and range of {(-5,8),(-5,4),(6,9),(3,10)}
What is a domain of {-5,6,3} and a range of {8,4,9,10}?
500
Is it a function?
What is NO because it does not pass the Vertical Line Test?