SOLUTION: Energy conservation experts estimate that homeowners can save 5% to 10% on winter heating bills by programming their thermostats 5 to 10 degrees lower while sleeping.In the given g

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Question 1208117: Energy conservation experts estimate that homeowners can save 5% to 10% on winter heating bills by programming their thermostats 5 to 10 degrees lower while sleeping.In the given graph,the temperature T (in degrees Fahrenheit) of a home is given as a function of time t(in hours after midnight) over a 24-hour period.

A. The homeowner reprograms the thermostat to y = T(t) - 2. Explain how this affects the temperature in the house.

B. The homeowner reprograms the thermostat to y = T(t + 1). Explain how this affects the temperature in the house.

Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
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(A)   The temperature  y= T(t)-2  becomes  2  degrees lower/colder.

(B)   The changes of the temperature with the termostat  y = T(t+1)  happen in one hour earlier than with the thermostat y = T(t).