Function Vocab
Evaluating Function Rules
Relations
Is it a Function?
100

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

What is TRUE?

100

Evaluate y=-3x if x=2

What is -6?

100
State the domain of the function {(4,-2),(-1,1),(2,-3),(3,0)}
What is {4,-1,2,3}?
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 x-coordinate?

200

Evaluate y=2x+1 if x=-2

What is -3?

200
State the range of the function {(4,-2),(-1,1),(2,-3),(3,0)}
What is {-2,1,-3,0}?
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 y=-3 - x if x=6

What is -9?

300
Find the domain and range of {(-1,5),(2,3),(4,2),(-1,2)}
What is a domain of {-1,2,4} and a range of {5,3,2}?
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 value in the range to each value in the domain?
What is a function?
400

Evaluate y=25 + 4x if x=5

What is 45?

400
Find the domain and range of {(-3,4),(0,10),(11,8),(4,5)}
What is a domain of {-3,0,11,4} and a range of {4,10,8,5}?
400
Is it a function?
What is YES because it passes the Vertical Line Test?
500

Evaluate y=-(4x+2) if x=7

What is -30

500
Find the domain and range of {(-5,8),(-5,4),(6,9),(3,10)}
What is a domain of {-5,6,3} and a range of {8,4,9,10}?
500
Is it a function?
What is NO because it does not pass the Vertical Line Test?
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