a pilot is flying a crj-900 from phoenix, arizona, to louisville, kentucky. the aircraft cannot take off or land if the temperature on the field is not within its operating limitations. the aircraft cannot operate if the temperature is at or below −40° f, or at or above 118° f.

part a: write an inequality to represent the temperatures the pilot can take off and land in.

part b: describe the graph of inequality completely from part a. use terms such as open/closed circles and shading directions. explain what the solutions to the inequality represent.