| |
| |
1. |
State the domain of the relation {(1, 6), (-2, 3), (5, 7), (5, 9)}. |
| |
|
A. |
{-2, 1} |
B. |
{3, 6, 7, 9} |
| |
|
C. |
{5} |
D. |
{-2, 1, 5} |
| |
|
Hint |
|
| |
2. |
State the domain of the relation whose graph is shown. |
| |
|
 |
| |
|
A. |
{-1, 4, 1, 2} |
B. |
{0} |
| |
|
C. |
{-2, -1, 2} |
D. |
{-2, -1, 0, 2} |
| |
|
Hint |
|
| |
3. |
State the range of the function represented by the graph. |
| |
|
 |
| |
|
A. |
{-2, -1, 0, 2} |
B. |
{1, 2, 4} |
| |
|
C. |
{-1, 1, 2} |
D. |
{-1, 1, 2, 4} |
| |
|
Hint |
|
| |
4. |
Which graph represents a function? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
Is the relation {(4, 6), (7, 6), (-2, 6), (0, 6)} a function? |
| |
|
A. |
no; values in the domain have more than one value in the range. |
| |
|
B. |
yes; values in the domain have more than one value in the range |
| |
|
C. |
yes; values in the domain have one value in the range |
| |
|
D. |
no; values in the range have more than one value in the domain. |
| |
|
Hint |
|
|
|