Function Vocab
Evaluating Function Rules
Is it a Function?
Random Review
100

True or False-A relation is a set of ordered pairs

What is TRUE?

100

Evaluate f(x)=-3x           when x=2

What is -6?

100
Is it a function? {(2, 3), (4, 5), ( -2, 6)}
What is YES because x does not repeat?
100
The point (1,2) is in this quadrant
What is the 1st quadrant?
200

The SET of first coordinates of a relation or a function- what you INPUT into a function.

A) RANGE    B) DOMAIN     C)INPUT   D) EXPRESSION    


What is (B) Domain?

200

Evaluate f(x)=2x+1            when x=-2

What is -3?

200

Is it a function?  (1,3) , (1,5) , (7,5), (0,0) 

NO, the 1 repeats

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?
300
The set of second coordinates in a relation or a function
What is the range?
300

Evaluate f(x)=-3 - x           when x=6

What is -9?

300

Is it a function?

xy
24
15
26

What is NO because x repeats?

300
The signs of the points in quadrant 2
What is the (- , +)?
400

A specific relation in which each possible input value leads to ONLY ONE output value.

What is a function?

400

Evaluate f(x)=25 + 4x            when x=5

What is 45?

400
Is it a function?
What is YES because it passes the Vertical Line Test?
400
The quadrant that doesn't contain one of these points (-2,3), (3,-4) (2,3)
What is the third quadrant?
500

The test to tell if a GRAPH is a function

What is the VERTICAL LINE TEST?

500

Evaluate f(x)=-(4x+2)           when x=7

What is -30

500
Is it a function?
What is NO because it does not pass the Vertical Line Test?
500
What quadrant is the point (0,2) in?
What is none because the point sits on the y-axis
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