trint4
trint4
04.02.2020 • 
Mathematics

The blueprints for a police station show that one of the lamp posts has a motion detector on it, and that the equation (x+14)2+(y−6)2=9 describes the boundary within which motion can be sensed. what is the greatest distance, in feet, a person could be from the lamp and be detected?

3 ft

6 ft

9 ft

81 ft

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