1.
The domain of a relation is all positive integers less than 4. The range of
y
or the relation is 2 plus
x
, where
x
is a number of the domain. Write the relation as a table of values and as an equation.
A.
B.
None of these.
C.
D.
Hint
2.
State the domain and range of the relation.
A.
3 is included in the domain, and all real numbers are included in the range.
B.
All real numbers are included in the domain and the range.
C.
3 is included in the domain, and 3 is included in the range.
D.
All real numbers are included in the domain, and 3 is included in the range.
Hint
3.
Describe the graph.
A.
relation but not function
B.
not a relation but a function
C.
relation and function
D.
neither a relation nor a function
Hint
4.
State the domain and range of the relation.
A.
The domain includes just positive real numbers. The range includes all real numbers.
B.
The domain includes all real numbers. The range includes all positive real numbers.
C.
The domain and the range include all real numbers.
D.
The domain includes negative real numbers. The range includes all real numbers.
Hint
5.
Find
f
(2
b
2
) for
f(x)
=
x
2
– 4
x
A.
2
b
4
- 8
b
2
B.
4
b
2
- 8
b
8
C.
4
b
4
- 8
b
2
D.
-4
b
2
Hint