Mathematics
ScubaGurl
37

What are the domain and range of the relation {(–9, 5), (1, 5), (6, 11), (7, –10)}? A. Domain: {–10, 5, 11}; Range: {–9, 1, 6, 7}; B. Domain: {–9, 1, 6, 7}; Range: {–10, 5, 11} C. Domain: {1, 5, 6, 7, 11}; Range: {–10, –9} D. Domain: {–9, 1, 6, 7}; Range: {–10, –9, 1, 5, 6, 7, 10, 11}

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(1) Answers
Jayda

so these are ordered pairs (x,y) x=input y=output x=domain y=range so the domain is all the first numbers range is all the second numbers so (-9,5), (1,5), (6,11), (7,-10) doman={-9,1,6,7} range={5,11,-10} (since the 5 repeats we don't need to rite it again answer is B

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