Range.
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a vetical line has an undifined rate of change
A minimum value (of any function, not just a polynomial) is a value that has a lower value than any nearby value. A global minimum is a value that is lower than ANY other value. (This answer is just a brief and informal overview; check the Wikipedia article on "maxima and minima" for a more detailed explanation.)
An "extreme value" is either a local maximum, or a local minimum - i.e., a point which is greater than all the points in a certain neighborhood, or less than all points in a certain neighborhood.
unknown
Transportation
+300%
Because it is chemical change
Value added to resources that already exist.
It led to political change
You were not allowed to change castes
you were not allowed to change caste
Volatile is the word that best describes market prices that change often and to a great degree with dramatic spikes and plunges.
It is best described as a phase change from liquid to vapor.
Range.
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