1. identify the domain and range of the following relation.
(1 point)
left-brace left-parenthesis 3 comma 7 right-parenthesis comma left-parenthesis 3 comma 8 right-
parenthesis comma left-parenthesis 3 comma negative 2 right-parenthesis comma left-parenthesis 3
comma 4 right-parenthesis comma left-parenthesis 3 comma 1 right-parenthesis right-brace
o domain: left-brace 3 right-brace
range: left-brace negative 2 comma 1 comma 4 comma 7 comma 8 right-brace
o domain: left-brace negative 2 comma 1 comma 4 comma 7 comma 8 right-brace
range: left-brace 3 right-brace
o domain: left-brace all real numbers right-brace
range: left-brace all real numbers right-brace
domain: empty set
range: empty set
2. determine whether the following relation is a function.
(1 point)
left-brace left parenthesis 3 comma 7 right-parenthesis comma left-parenthesis 3 comma 8 right-
parenthesis comma left-parenthesis 3 comma negative 2 right-parenthesis comma loft marantha