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Function Vocab
Evaluating Function Rules
Writing Function Rules
Mixed Review
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

What is the domain?

(0, 2) (-5, 12) (3, 7) (-9, 0)

(-9, -5, 0, 3)

100
Is it a function? {(2, 3), (4, 5), ( -2, 6)}
What is YES because x does not repeat?
200

The x coordinates in 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

What is the range?


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 y coordinates in 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?
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 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?