| Vocabulary | Domain and Range | Dependent & Independent Variables | Identifying Functions |
|---|---|---|---|
|
A special type of relation that pairs each input with an output
What is a function?
|
1,2,3, 7
What is the domain of the relation below?
f(x) ={ (1,3) , (2,4), (3,5) , (7,0) } |
The number of snow cones
A snow vendor collects data on the number of snow cones he sells per day and the daily temperatures? What is the dependent variable?
|
Yes
Is y=2x+ 1 a function?
|
|
A set of ordered pairs
What is a relation?
|
8,3,6,2
What is the range of the relation below?
f(x) ={ (1,8) , (2,3), (4,6) , (90,2) } |
The amount of time they study
A teacher wants to see if there is a relationship between her students' test scores and the amount of time they study. What is the independent variable?
|
Yes
Is y=1.5x- 0.5 a function?
|
|
The input of a function.
What is an independent value?
|
-3,-2,0,5
What is the domain of the following relation? {(5,-2),(-3,-2),(0,-2),(-2,-2)}
|
X-Axis
Independent Variables are the labels on the ______axis?
|
Yes
y=2x+ 1
Function or not? |
|
The output of a function.
What is dependent value?
|
{-2}
What is the range of the following relation? {(5,-2),(-3,-2),(0,-2),(-2,-2)}
|
The X
In the following function, which is the independent variable? (x or y?) y = 3x + 2
|
No
Is y=x3- 1 a function?
|
|
Tells whether a graph is a function.
What does a vertical line test line?
|
{2}
Find the range of the following function? y=2x
|
Independent= x
Dependent= y
What is the Independent and dependent variable in the equation y=2x+9
|
Yes
Is y=x3- 1 a function?
|
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