One of the parking lot lights at a hospital has a motion detector on it, and the equation (x + 10)^2 + (y - 8)^2 = 16 describes the boundary within which motion can be sensed. What is the greatest distance, in feet, a person could be from the parking lot light and be detected? 2 ft 4 ft 9 ft 256 ft
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The center of the circle is at (-10, 8) and the radius is 4. Show more…
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