| |
| |
1. |
State the domain of the relation {(1, 6), (-2, 3), (5, 7), (5, 9)}. |
| |
|
A. |
{-2, 1, 5} |
B. |
{5} |
| |
|
C. |
{3, 6, 7, 9} |
D. |
{-2, 1} |
| |
|
Hint |
|
| |
2. |
Express the relation whose graph is shown as a set of ordered pairs. |
| |
|
 |
| |
|
A. |
{(1, 1), (2, -2), (2, -3), (-3, 4)} |
| |
|
B. |
{(1, 1), (-2, 2), (-3, -2), (-4, 3)} |
| |
|
C. |
{(1, 1), (-2, 2), (-2, -3), (3, -4)} |
| |
|
D. |
{(1, 1), (2, -2), (-3, -2), (-4, 3)} |
| |
|
Hint |
|
| |
3. |
State the range of the function represented by the graph. |
| |
|
 |
| |
|
A. |
{-2, -1, 0, 2} |
B. |
{-1, 1, 2} |
| |
|
C. |
{-1, 1, 2, 4} |
D. |
{1, 2, 4} |
| |
|
Hint |
|
| |
4. |
Is the relation {(3, 4), (3, 7), (-6, 4), (4,4)} a function? State why or why not. |
| |
|
A. |
yes; values in the domain have one value in the range. |
| |
|
B. |
no; values in the range have more than one value in the domain. |
| |
|
C. |
yes; values in the domain have more than one value in the range. |
| |
|
D. |
no; values in the domain have more than one value in the range. |
| |
|
Hint |
|
| |
5. |
Is the relation {(-3, 2), (-3, -6), (2, 4), (3, 4)} a function? |
| |
|
A. |
no; values in the range have more than one value in the domain. |
| |
|
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 domain have more than one value in the range. |
| |
|
Hint |
|
|
|