A Coordinate System Is Placed at the Center of a House

Multiple Choice

A coordinate system is placed at the center of a house with the positive x-axis pointing east, and the positive y-axis pointing north. A pest-deterrent device that uses high-frequency sound waves is Placed in an electrical outlet 15 ft west and 8 ft south of the center of the house. If the device has a Range of 11 feet, write an inequality that represents the points on the coordinate system affected by The device.

A) $( x - 15 ) ^ { 2 } + ( y - 8 ) ^ { 2 } \geq 11$
B) $( x - 15 ) ^ { 2 } + ( y - 8 ) ^ { 2 } \leq 121$
C) $( x + 15 ) ^ { 2 } + ( y + 8 ) ^ { 2 } \leq 121$
D) $( x - 15 ) ^ { 2 } + ( y - 8 ) ^ { 2 } \leq 11$