Name _________________________________________________
Date ______________________
Period ____________
Algebra 1
Unit 1 Quiz Review
1. Express {(4, 3), (–1, 4), (3, –2), (–2, 3)} as a table, a graph, and a mapping. Then identify the domain and range.
Table
Graph
Mapping
Domain: _______________
Range: _________________
2. Express the following mapping as a table, a graph, and a set of ordered pairs. Then identify the domain and
range.
Set of Ordered Pairs: ___________________________________________________
Table
Graph
Mapping
Domain
Range
5
-2
-4
1
3
Domain: ____________________
Range: ______________________
3
1
3. A store is having a back-to-school sale. The more purchases that are made, the greater the store’s profit is.
Identify the independent and dependent variables.
Independent Variable: _____________________________
4. Explain what is happening in each graph.
a)
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
Dependent Variable: _____________________________
b)
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
Determine if each relation is also a function. EXPLAIN!
5.
6.
7.
8. {(3,2), (4,-3), (-1,0), (2,3), (-1, 3)}
9.
x
3
4
2
-4
y
4
5
8
-4
Find the following values given f ( x)  2  x and g ( x)  5 x 2  1
10. f(-5)
11. f(4) + 1
12. g(-3)
14. The profit a shoe store makes for selling x pairs of sneakers is P(x).
If P(45) = 540, then __________ pairs of sneakers make a profit of $ ______________ .
Use the graph below to identify the following.
15. Intercepts: ____________________________
16. Extrema: ______________________________
17. Positive: ______________________________
18. Negative: ______________________________
19. Increasing: ____________________________
20. Decreasing: ____________________________
13. f(2) – 8