Determine Whether the Relation Represents a Function $\{$ Bob, Ann, Dave

Multiple Choice

Determine whether the relation represents a function. If it is a function, state the domain and range.
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A) function
domain: {Ms. Lee, Mr. Bar}
range: $\{$ Bob, Ann, Dave $\}$

B) function
domain: {Bob, Ann, Dave}
range:{Ms. Lee, Mr. Bar}

C) $\text { not a function }$