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Give the domain and range.
a. domain: {–3, 0, 2}, range: {3, 0, –2}
b. domain: {3, 0, 2}, range: {3, 0, 2}
c. domain: {–3, 0, -2}, range: {-3, 0, –2}
d. domain: {–2, 0, 3}, range: {2, 0,–3}