Determine the domain and range of the relation. State whether the relation is a function or not a function. 
A. domain: {-3,-1, 1, 3}
range: { 2, 12}
not a function
B. domain: {-3,-1, 1, 3}
range: { 2, 12}
function
C. domain: { 2, 12}
range: {-3,-1, 1, 3}
not a function
D. domain: { 2, 12}
range: {-3,-1, 1, 3}
function
Answer: B
Mathematics
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