Monthly Archives: October 2015

First of all, we need to understand that the function of the temperature is continuous. In other words, the temperature changes gradually, either increasing or decreasing. It’s impossible for a 100 degree Celsius object become 0 degree Celsius at the … Continue reading →

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The distance of walking can be represented by a function. Suppose a person is walking at a constant speed, then the growth rate of the distance he travels is a constant number. Since the displacement per unit time are all the … Continue reading →