Function Vocab
Evaluating Function Rules
Writing Function Rules
Graphing
Is it a Function?
100
A way in which a function is represented using symbols and signs
Function Notation
100
Evaluate f(x) = -3x if x = 2
What is - 6?
100
Given the points write a function rule (0,-2);(1,-1); (2,0)
What is y = x - 2?
100
The point (1,2) is in which quadrant?
What is the 1st quadrant?
100
Is it a function?
{(2, 3), (4, 5), ( -2, 6)}
What is YES because x does not repeat?
200
The set of x coordinates of a relation or function
What is Domain?
200
Evaluate f(x) = 2x2 + 1 if x = -2
What is 9?
200
Given the points write a function rule (0,0); (1,3); (2,6)
What is y =3x?
200
How far is the point (-3, 4) from (- 3, 8)?
4 units
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 y coordinates in a relation or a function
What is the range?
300
Evaluate f(n) = -3 - 3n - 3 if n = 6
What is - 24
300
Given the points write a function rule (0,0); (2,1); (4,2)
What is y = x/2?
300
What are the signs of the points in quadrant 2?
Answer in the form (___, ____)
What is (- , +)?
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
DAILY DOUBLE
f(x)=25 + 4x
What is the value of x if f(x) = 45?
What is 5?
400
Given the points write a function rule (-1,-1); (0,1); (1,3);(2,5)
What is y = 2x+1?
400
The quadrant that doesn't contain one of these points (-2,3), (3,-4) (2,3)
What is the third quadrant?
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 f(x) = -(4x+2) if x=7
What is -30
500
Given the points write a function rule (0,5); (1,6); (2,7);(-1,4)
What is y = x+5
500
What is the name of the point (0,0)?
The origin
500
Is it a function? 
What is NO because it does not pass the Vertical Line Test?