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?
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?
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