Function Vocab
Evaluating Function Rules
Writing Function Rules
Graphing
Is it a Function?
100
True or False-A relation is a set of ordered pairs
What is TRUE?
100
Evaluate y=-3x if x=2
What is -6?
100
Write a function rule given the points (0,-2);(1,-1); (2,0).
What is y=x-2?
100
The point (1,2) is in this 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 (input) coordinates of a relation or a function
What is Domain?
200
Evaluate y=2x+1 if x=-2
What is -3?
200
Write a function rule given the points (0,0); (1,3); (2,6).
What is y=3x?
200
How do you graph the point (-3,4)?
What is you go left 3 units on the x-axis then go up 4 units on the y-axis?
200
Does a graph with points (1,3) and (1,5) represent a function?
What is False, the input values repeat.
300
The set of y (output) coordinates in a relation or a function
What is the range?
300
Evaluate y=-3 - x if x=6
What is -9?
300
Write a function rule given the points (0,0); (2,1); (4,2).
What is y=x/2?
300
The signs of the points in quadrant 2
What is the (- , +)?
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 y value to each x value?
What is a function?
400
Evaluate y=25 + 4x if x=5
What is 45?
400
Write a function rule given the points (-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
You can use this test to tell if a graph is a function
What is the Vertical Line Test?
500
Evaluate y=-(4x+2) if x=7
What is -30
500
Write a function rule given the points (0,5); (1,6); (2,7);(-1,4).
What is y=x+5
500
What quadrant is the point (0,2) in?
What is none because the point sits on the y-axis
500
Is it a function? 
What is NO because it does not pass the Vertical Line Test?