Question

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Give the domain and range.

a. domain: {4, 0} range: {–2, 0, 2}
b. domain: {4, 0, 4} range: {–2, 0, 2}
c. domain: {–2, 0, 2}, range: {4, 0}
d. domain: {–2, 0, 2}, range: {4, 0, 4}

Answer 1

Domain is {-2,0,2}.
The ends of the arrows give us a range.
Range is {0,4}.

Answer: c. domain: {–2, 0, 2}, range: {4, 0}