1. is this relation also a function? yes or no
{(3,-1), (-1,-4), (-4,6), (6,-1)}
yes

2. what is the range of the above relation?
3,-1,-4,6

3. according to the table below, what is the domain of the data?
input output
14 2,744
16 4,096
18 5,832
20 8,000
22 10,648
a. 14, 12, 10, 8, 6
b. 3, 5, 7, 9, 11
c. 2,744, 4,096, 5,832, 8,000, 10,648
*d. 14, 16, 18, 20, 22

4. which of the following relations is not a function?
*a. (-7, 4), (3, 3), (-3, 1), (8, 2)
b. (8, 4), (-3, 2), (3, 1), (-7, 2)
c. (-3, 4), (3, 2), (8, 1), (-7, 5)
d. (3, 4), (-3, 2), (3, 1), (-7, 2)

5.

does the graph above show a relation, a function, both a relation and a function, or neither a relation nor a function?
*a. relation only
b. function only
c. both a relation and a function
d. neither a relation nor a function

6. which of the following equations describes the table below?

x y
-5 1
0 2
5 3
10 4
a. y = 2x - 1/5
b. y = -1/5x + 2
d. y = 5x + 2 *c. y = 1/5x + 2

7. in ben's apartment complex, residents are fined $10 per day each day the rent is late. last month, ben wrote the apartment complex a check for $860 when his monthly rent is only $780. how many days late was ben's rent?
a. 6
b. 7
c. 8
d. 9

sequences
8. the first four terms of a sequence are given below.
7, 5, 3, 1,
what is the eighth term of the sequence?
a. 1
b. -7
c. -5
d. -9

9. sylvester's pizzeria has a party room to accommodate pizza parties. they have rectangular tables that can be placed together end-to-end to sit large groups of people together. some sample seating arrangements are shown below.

which of the following expressions can be used to determine the number of people who can sit as a group if t tables are joined together?
a. 2(2t + 1)
b. 4(t + 1)
c. 6t
d. 3(t + 1)

10. the first four terms of a sequence are given below.
20 , 29 , 38 , 47 ,
what are the next three terms of the sequence?
47+9=56 56+9=65 65+9=74