Find the domain and range of the relation.Average Monthly Temperature January-June: Hilo, Hawaii

A. domain: { Jan., Feb., Mar., Apr., May, June }; range: { 64, 66, 67, 68}
B. domain: { Jan., Feb., Mar., Apr., May, June }; range: { 64, 68}
C. domain: { 64, 64, 64, 66, 67, 68}; range: { Jan., Feb., Mar., Apr., May, June }
D. domain: { 64, 66, 67, 68}; range: { Jan., Feb., Mar., Apr., May, June}


Answer: A

Mathematics

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A. 18  B. 25 C. 10  D. 5 

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A board 10 ft long leans against a vertical wall. If the lower end is being moved away from the wall at a rate of 0.3 ft/sec, how fast is the upper end coming down when the lower end is 8 ft from the wall?

What will be an ideal response?

Mathematics