Function Vocab
Evaluating Function Rules
Relations
Is it a Function?
100
True or False-A relation is a set of ordered pairs
TRUE
100
Evaluate f(x)=-3x if x=2
What is -6?
100
State the domain of the function {(4,-2),(-1,1),(2,-3),(3,0)}
{4,-1,2,3}
100
Is it a function? {(2, 3), (4, 5), ( -2, 6)}
YES
200
The set of first coordinates (x) of a relation or a function
Domain
200
Evaluate f(x)=2x+1 if x=-2
What is -3?
200
State the range of the function {(4,-2),(-1,1),(2,-3),(3,0)}
{-2,1,-3,0}
200
Using the vertical line test does the graph of the points (1,3) and (1,5) represent a function?
YES
300
The set of second coordinates (y) in a relation or a function
range
300
Evaluate f(x)=-3 - x if x=6
What is -9?
300
Find the domain and range of {(-1,5),(2,3),(4,2),(-1,2)}
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 |
NO
400
A relation that assigns exactly one value in the range to each value in the domain?
function
400
Evaluate f(x)=25 + 4x if x=5
What is 45?
400
Find the domain and range of {(-3,4),(0,10),(11,8),(4,5)}
domain of {-3,0,11,4} and a range of {4,10,8,5}
400
Is it a function?
YES
500
The test to tell if a graph is a function
Vertical Line Test
500
Evaluate f(x)=-(4x+2) if x=7
What is -30
500
Find the domain and range of {(-5,8),(-5,4),(6,9),(3,10)}
domain of {-5,6,3} and a range of {8,4,9,10}
500
Is it a function? 
NO