Are You Having Fun(ction)?
Am I a function?
RANDOM!
Domain & Range
Writing Equations
100
This word is used to describe the set of all inputs for a function.
Domain
100
No, It does not pass the vertical line test.
100
A vending machine charges $1.25 per snack. Write an equation to model the cost for several snacks.
y=1.25x
100
Find the DOMAIN:
{(-2, 4), (3, 2), (2, 10)}
{-2, 3, 2}
100
Write the function for the given table:
x y
-1 0
0 2
1 4
2 6
y=2x+2
200
This word is used to describe the set of all outputs of a function.
Range
200
Yes
200
A taxi charges a $3 flat fee plus $2 per mile. Write an equation to model the charge for a taxi ride.
y=3+2x
200
Find RANGE:
{-3, 1, 2, 3}
200
Write the equation for the given table:
x y
-4 1
-2 2
0 3
2 4
4 5
y=1/2x+3
300
It is a set of ordered pair.
Relation
300
The mapping diagram shows a function or not.
No
300
If a phone plan costs $10 plus $0.05 per text, how much for 100 texts?
10+0.05(100)=$15
300
Find DOMAIN:
{2, 4, 3}
300
Write the equation for the given table:
x y
0 6
2 3
4 0
6 -3
y=-3/2x+6
400
How do you determine if a GRAPH is a function or not?
Vertical Line Test
400
Does the following table represent a function?
x y
1 2
2 5
6 2
2 9
5 1
No
400
A plant grows 22 cm each week. If it starts at 55 cm, the height after w weeks is this.
y=22x+55
400
Find the DOMAIN:
x y
1 2
2 5
6 2
2 9
5 1
{1, 2, 6, 5}
400
Write the equation for the given table
x y
0 -2
-3 -1
-6 0
-9 1
-12 2
y=-1/3x-2
500
This word describes any set of ordered pairs where each x-value is paired with one y-value.
Function
500
Is this a function and why?
No
500
Is the relationship of a mother to her children a function? Explain your reasoning.
No, because a mother could have many children.
500
Find the RANGE:
{(1,5) (2, 10) (3, 15) (4, 20)}
{5, 10, 15, 20}
500
Write the equation for the given table:
x y
4 -3
0 0
-4 3
-8 6
-12 9
y=-3/4x