Make Sense? During the winter, you program your home thermostat so that at midnight, the temperature is 55 °. This temperature is maintained until 6 A.M. Then the house begins to warm up so that by 9 A.M. the temperature is 65 °. At 6 P.M. the house begins to cool. By 9 P.M., the temperature is again 55 °. In Exercises 137–140, determine whether each statement makes sense or does not make sense, and explain your reasoning. If the statement makes sense, graph the new function on the domain [0, 24]. If the statement does not make sense, correct the function in the statement and graph the corrected function on the domain [0, 24]. I decided to change the heating schedule to start one hour later than before, so I reprogrammed the thermostat to y = f ( t + I )
Make Sense? During the winter, you program your home thermostat so that at midnight, the temperature is 55 °. This temperature is maintained until 6 A.M. Then the house begins to warm up so that by 9 A.M. the temperature is 65 °. At 6 P.M. the house begins to cool. By 9 P.M., the temperature is again 55 °. In Exercises 137–140, determine whether each statement makes sense or does not make sense, and explain your reasoning. If the statement makes sense, graph the new function on the domain [0, 24]. If the statement does not make sense, correct the function in the statement and graph the corrected function on the domain [0, 24]. I decided to change the heating schedule to start one hour later than before, so I reprogrammed the thermostat to y = f ( t + I )
Solution Summary: The author analyzes how the provided statement does not make sense. The graph shows the change in heating schedule to start one hour earlier than before.
Make Sense?During the winter, you program your home thermostat so that at midnight, the temperature is 55°. This temperature is maintained until 6 A.M. Then the house begins to warm up so that by 9 A.M. the temperature is 65°. At 6 P.M. the house begins to cool. By 9 P.M., the temperature is again 55°.
In Exercises 137–140, determine whether each statement makes sense or does not make sense, and explain your reasoning. If the statement makes sense, graph the new function on the domain [0, 24]. If the statement does not make sense, correct the function in the statement and graph the corrected function on the domain [0, 24].
I decided to change the heating schedule to start one hour later than before, so I reprogrammed the thermostat to y = f(t + I)
For Exercises 73–104, verify that the equation is an identity.
Please simplify completely. In #1–4, list the necessary restrictions on the variable; if none, write “none”.
For Exercises 34 – 36, use the following information. Soto wants to enlarge a digital photograph that is 1800 pixels wide and 1600 pixels high (1800 x 1600) by a scale factor of
34. What will be the dimensions of the new digital photograph?
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