Function Vocab
Evaluating Function Rules
Testing Points on Lines
Graphing
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
Does point (3,1) fall on line with the equation 4x - 3y=9
What is yes, 12-3=9, 9=9
100
What are three values that would work for graphing the equation y=3x+2
(-2,-4),(-1,-1),(0,2),(1,5),(2,6) ect
100
Is it a function? {(2, 3), (4, 5), ( -2, 6)} and why?
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
Does the point (3,-1) fall on line 2y=x - 5
What is yes, -2=3-5, -2=-2
200
What are three points that will help you graph y=-5x-1
(-2,9),(-1,4),(0,-1),(1,-6),(2,-11)
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
Does the point (-4,3) fall on line 3y-x=-5
What is no, 9+4=-5
300
What are three points that help you graph
y=(2/3)x-3
(-6,-7),(-3,-5),(0,-3),(3,-1),(6,1)
300
Is it a function? Why?
| 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
Does point (11,-2) fall on line 3y-x=-5
What is no, -6-11=-5
400
What are three points that would help you graph -3y=-12
(-2,4),(-1,4),(0,4),(1,4),(2,4)
400
Is it a function? Why?
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
Does point (6,-3) fall on (1/2)x + (2/3)y =1
What is yes, 3-2=1, 1=1
500
What are three points that will help you graph that equation 5y=2x-10 (Hint: Get Y by itself before starting to make the chart)
(-10,-6),(-5,-4)(0,-2),(5,0),(10,2)
500
Is it a function? Why? 
What is NO because it does not pass the Vertical Line Test?