$$a$)$ Determine if the relation is also a function.

$$b$)$ Give the domain and range of the relation or function.

StartSet left parenthesis $5$ comma $8$ right parenthesis comma left parenthesis $9$ comma $3$ right parenthesis comma left parenthesis $4$ comma $4$ right parenthesis comma left parenthesis $9$ comma $9$ right parenthesis comma left parenthesis $5$ comma $5$ right parenthesis comma left parenthesis $4$ comma $9$ right parenthesis EndSet$\{(5,8),(9,3),(4,4),(9,9),(5,5),(4,9)\}$

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Part $1$

$$a$)$ Is the relation a$$ function?

Yes

No

Part $2$

$$b$)$ List the elements of the domain. Choose the correct answer below.

A$.$

Dequals$=\{55,$

$99\}$

B$.$

Dequals$=\{55,$

$99,$

$88,$

$33,$

$44\}$

C$.$

Dequals$=\{55,$

$99,$

$44\}$

D$.$

Dequals$=\{55,$

$99,$

$44,$

$55,$

$0\}$

Part $3$

List the elements of the range. Choose the correct answer below.

A$.$

Requals$=\{55,$

$99,$

$88,$

$33,$

$44\}$

B$.$

Requals$=\{55,$

$99,$

$44\}$

C$.$

Requals$=\{55,$

$99,$

$44,$

$55,$

$0\}$

D$.$

Requals$=\{55,$

$99\}$