Domain and Range
Linear or nonlinear functions
Intervals
Vocabulary
100
What is the domain?
(1,2)(2,4)(-2,3)(4,-1)
1,2,-2,4
100
Is a relation always a function? Explain.
No, it can't be a function if the x repeats.
100
Is each interval increasing, decreasing, or constant
1. Increasing
2. Constant
3. Increasing
4. Constant
5 Decreasing
100
All the x values in a function
What is domain
200
What is the range?
(1,2)(3,8)(-2,-4)(4,5)
2,8,-4,5
200
Linear, non linear, not a function?
Not a function
200
At what interval is there the greatest increase? 
4
200
All the y values in a function
What is range
300
Is the arrow graph a function? Explain.
No, because 0 goes to 10 and 0
300
Is this a function?
Yes
300
Describe the interval and slope of 3
Decreasing and negative slope
300
A set of ordered pairs
What is a relation?
400
What is the domain and range? Is it a function?
(-4,-2)(-2,-1)(-2,1)(1,2)(2,0)(3,-3)
Not a function because 2 repeats in the domain
400
Linear, non linear, not a function
Not a function
400
The graph shows the attendance at a baseball park from an hour before the start of the game to an hour after the end of the game. Describe the attendance at the ballpark in interval 4. 
The attendance is decreasing, so people are leaving the game.
400
A rule for taking each input value and producing exactly one output value
What is a function
500
Is the table a function? Explain.
No, because 8 and 9 go to two different y's
500
Which model is a linear function and which is a non linear function?
VXT64 - nonlinear
L895 - Linear
500
C
500
A function whose graph is a straight lines. The rate of change for a linear function is constant.
What is a linear function