The Vocab
Are You Having Fun(ction)?
Am I a function?
Independent or Dependent Variable
What's my function?
Tell me 'bout that graph
100
This word is used to describe the set of all inputs for a function.
What is the domain?
100
Is the following a relation or a function?
(1, 0), (2, 2), (3, 4)?
Function
100
No, it does not pass the vertical line test
100
If a movie store rents movies for 3.95 each which of the following is the independent variable?
The number of movies
The cost to rent the movies
The number of movies
100
f(-3) if f(x) = 2x +1
-5
100
Discrete, Continuous, or Neither
What is discrete?
200
This word is used to describe the set of all outputs of a function.
What is the range?
200
Is the following a function?
(1, 1),
(4, 1),
(5, 2),
(1, 2),
(2, 5)?
No, because the input 1 has two different outputs
200
Yes
200
Is TIME normally the independent or dependent variable?
Independent
200
f(12) if f(x) = 3x -5
31
200
find when they are the same
y =x + 3
y = -6x - 4
What is x = -1
300
This word describes a relation that pairs each x value with only one y value.
What is a function?
300
Does the following table represent a function?
x y
1 2
2 5
6 2
2 9
5 1
No, because the input (x) of 2 has two different outputs (y)
300
Yes
300
Is COST normally the independent or dependent variable?
Dependent
300
f(2) if f(x) = x-4
-2
300
The points that show a rapid decline
What is D to E?
400
The test that is used to determine if a graph represents a function.
What is the vertical line test?
400
Is this a function and why?
What is no, because x's repeat at 8
400
No
400
The independent variable the X or Y axis?
X axis
400
f(5) if f(x) = 2x+8
18
400
x-intercept(s)
What are -1, 1, and 3?
500
This term identifies the variable that changes based upon the other variable in a function.
What is the dependent variable?
500
Is this a function and why?
What is yes, because the x's are all different and have different y's
500
Yes
500
is the DEPENDENT variable graphed on the X or Y axis?
Y axis
500
f(2) if f(x) = x2 + 5
9
500
y-intercept
What is -6?