Determine the domain and range of the relation. State whether the relation is a function or not a function. 
A. domain:{20, 36, 52, 68}
range: {5, 9, 13, 17}
not a function
B. domain: {5, 9, 13, 17}
range: {20, 36, 52, 68}
function
C. domain: {5, 9, 13, 17}
range: {20, 36, 52, 68}
not a function
D. domain:{20, 36, 52, 68}
range: {5, 9, 13, 17}
function
Answer: B
Mathematics