An electronically controlled thermostat is programmed to lower the temperature during
Chapter 0, Problem 87(choose chapter or problem)
Graphical Reasoning An electronically controlled thermostat is programmed to lower the temperature during the night automatically (see figure). The temperature T in degrees Celsius is given in terms of t, the time in hours on a 24-hour clock.
(a) Approximate T(4) and T(15).
(b) The thermostat is reprogrammed to produce a temperature H(t) = T(t - 1). How does this change the temperature? Explain.
(c) The thermostat is reprogrammed to produce a temperature H(t) = T(t) - 1. How does this change the temperature? Explain.
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