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line Topic 1 Test Copy 2
Find the domain and range of the relation, and determine whether it is a function.
{(2, 1), (-4,5), (1,7), (2, -3), (-1,2)}
A. domain: {-2, -1, 1, 2, 4}; range: {-3, 1, 2, 5, 7); function
B.
domain: {-2, -1, 1, 2, 4}; range: {1, 2, 3, 5, 7}; not a function
C. domain: {-4, -1, 1, 2}; range:{-3, 1, 2, 5, 7); function
O
D. domain: {4, -1, 1, 2}; range:{-3, 1, 2, 5, 7}; not a function