The heat in the house is set to keep the minimum and maximum temperatures (in degrees Fahrenheit) according to
the equation Ix - 72.51 = 4. What are the minimum and maximum temperatures in the house?
O72.5°F and 76.5°F
O68.5°F and 76.5°F
70.5°F and 74.5°F
72.5°F and 74.5°F