Question: A wall is 15 cm thick. At the outside, the temperature is 3 C , and at the inside, it is 23C. If the

A wall is 15 cm thick. At the outside, the temperature is 3 C ° , and at the inside, it is 23°C. If the temperature changes at a constant rate through the wall, write an equation of the temperature T in the wall as a function of the distance x from the outside to a point inside the wall. What is the meaning of the slope of the line?

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