Function Vocab
Evaluating Function Rules
Reading Graphs, Tables, and Mappings
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
The output when the input is 2.
What is 4?
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 first coordinates of a relation or a function
What is input(x)?
200
Evaluate f(x)=2x+1 if x=-2
What is -3?
200
f(3)
What is 0.75?
200
The button you press to enter a function in the calculator for graphing.
What is "Y="?
200
Does this mapping represent a function?
Yes, each input has one output.
300
The set of second coordinates in a relation or a function
What is the output (y)?
300
Evaluate f(x)=-3 - x if x=6
What is -9?
300
f(4)
What is 16?
300
The point (1.25, -9) is located in this quadrant.
What is Quadrant IV?
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 output value to each input value.
What is a function?
400
Evaluate f(x)=25 + 4x if x=5
What is 45?
400
Inputs that have an output of -1.
What are -1 and 1?
400
The signs of the points in quadrant II.
What is the (- , +)?
400
Is it a function?
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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
The buttons you press in order to view a table of values on the calculator.
What is 2nd and then GRAPH?
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?