Function Vocab
Evaluating Function Rules
Writing Function Rules
Evaluating Function Rules 2x
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

Evaluate f(x)= 3x/2 + 5 if x=6               


F(6)= 14

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

What does the X coordinate in a function represent

What is an Input

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

Evaluate f(x)= 4x/8 +12?

x=12


F(12)= 18

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

What does the Y coordinate in a function represent

What is the Output

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

Evaluate the F(x)= 5x/10 + 4

x= 6

F(6)= 10
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

Evaluate f(x)= 4x/9 - 13

x=18 

f(x)= -5

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

Evaluate F(x)= 12x/8 - 24?

x=12

F(12)=-6

500
Is it a function?
What is NO because it does not pass the Vertical Line Test?
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