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F1 Intro to Functions Practice Quiz
Contributed by: Cason
The range is a list of all possible outputs.  The outputs areusually represented by "y", are usually the dependentevent, and are usually the effect.
The domain is a list of all possible inputs.  The inputs areusually represented by "x", are usually the independentevent, and are usually the cause.

1)  Is (2, 14) a solution

of y = 5x + 4?

Replace x with 2 and y with 14 and see if it is true.
y = 5x + 4  becomes 4 = 5(2) + 4.  Is it true?
yes

no

2)  Is (0, 4) a solution

of y = 5x + 4?

yes

no

3)  Is (2, 3) a solution

of y = 3x - 4?

yes

no

4) Determine if each relation below represents a

function.  Does each input have only one output?

x   y

1   3

2   4

3   5

4   6

 yes
no

List the range (output) for the following function.

x   y

1   3

2   4

3   5

4   6

{1, 2, 3, 4}
{3, 4, 5, 6}

List the domain (input) for the following function.

x   y

1   3

2   4

3   5

4   6

{1, 2, 3, 4}
{3, 4, 5, 6}

5) Determine if each relation below represents a

function.

x   y

1   3

2   3

3   3

4   3

 yes
no

List the domain for the following function.

x   y

1   3

2   3

3   3

4   3

{1, 2, 3, 4}
{3}

List the range for the following function.

x   y

1   3

2   3

3   3

4   3

{1, 2, 3, 4}
{3}

6) Determine if each relation below represents a

function.

x   y

1   3

2   4

3   5

3   6

 yes
no

7)  Complete the table for y = 3(x + 1).

x   y

-1  

1  

2  

8)  Complete the table for y = 3x - 5.

x   y

-1  

1  

2  

9)  Complete the table for y = -x - 7.

x   y

-1  

1  

2  

10)  Find the missing

term.

 

1, 3, 6,      , 15, 21...

11)  Find the missing

term.

 

2, 7, 12,    , 22, 27,...

12)  Find the missing

term.

 

1, 4, 9, 16,     , 36, ...  

Which graph corresponds to the situation?

 

Gracie walked along the canal, stopped for a picnic,

then walked back to her car.

Graph 1
Graph 2
Graph 3

Which graph corresponds to the situation?

 

Alexis walked along the canal, stopped for a picnic, and

then continued to the end of the trail.

Graph 1
Graph 2
Graph 3

Which graph corresponds to the situation?

 

Evan floated down the canal and then waited for his

ride home.

Graph 1
Graph 2
Graph 3
15)  Is this data continuous or discrete?
continuous
discrete
16)  Is this data continuous or discrete?
continuous
discrete

17)  Is this data increasing, decreasing, both, or neither.

increasing

decreasing

both

neither

18)  Is this data increasing, decreasing, both, or neither.

increasing

decreasing

both

neither

19)  Is this data linear or non-linear.

linear

non-linear

20)  Is this data linear or non-linear.

linear

non-linear

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