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 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 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 Domain?

200

Evaluate f(x)=2x+1

 if x=-2

What is -3?

200
Given the points write a function rule (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
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

Given the points write a function rule (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?                                                     

xy
24
15
26

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

Given the points write a function rule (-1,-1); (0,1); (1,3);(2,5)

What is f(x)=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 f(x)=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?
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