Function Vocab
Evaluating Function Rules
Writing Function Rules
Graphing
Is it a Function?
100
What is the domain of the given set:
{(0, 1), (5, 6), (4, 8)}
{0, 4, 5}
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
Domain is.....
The set of all inputs in a function
200
Evaluate f(x)=2x+1 if x=-2
What is -3?
200
Given the points write a function rule: (1,3); (2,6); (3,9)
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
Does (1,3) and (1,5) represent a function?
No! They are stacked on top of each other. One input has 2 different outputs
300
Range is....
The set of all outputs in a function
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-value of 2 repeats?
400
What is the definition of a function?
Every input has one and ONLY one output!
400
f(x) = 2x + 1
What is x when f(x) = 11?
x = 5
400
Given the points write a function rule (-1,-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?
YES
500
How to tell if something is a function from a table?
No repeated inputs OR every input has only one output
500
f(x) = (x+5)^2 - 6
What is x when f(x)=30?
x = 1
500
Given the points write a function rule (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? 
NOPE