Function Vocab
Evaluating Function Rules
Solving Equations
Domain and Range
Is it a Function?
100
True or False-A relation is a set of ordered pairs
What is TRUE?
100
Evaluate f(2) if f(x)=-3x.
What is -6?
100
(2/3)x=12
What is x=18
100
What is the domain of this function?
{(9,-3) , (3,2) , (2,3) , (0,0)}
What is {9, 3, 2, 0}?
100
Is it a function? Why?
{(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(-2) if f(x)=2x+1.
What is -3?
200
3-x=5
What is x=-2
200
Given f(-3) = 2, what is the domain?
What is -3?
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(6) if f(x)=-3 - x.
What is -9?
300
2x-1=17
What is x=9
300
Given f(9) = 6, what is the range?
What is 6?
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: If f(x)=25 + 4x, x is this when f(x) = 33?
What is x = 2?
400
x/7=5
What is x=35
400
What is the range of the following table?
x y
3 3
2 1
1 3
What is {3,1}?
400
Is it a function?
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: If f(x)=-(4x+2), x is this when f(x) = 10.
What is x = -3?
500
2x=3x
What is x=0
500
DAILY DOUBLE!!!
A saying that helps us remember ALL the possible names for Domain and range.
What is "Dr. XY lost his ID in Ohio."
500
Is it a function? 
What is NO because it does not pass the Vertical Line Test?