Math 1a Fall 2020
Oliver's Single Variable Section
Week 1
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Here are some links and resources for the first week of the course
mostly just for Oliver to be prepared, have a link repository and
have a backup channel in case of technology failure. (And Oliver is
not a fan of clouds which by definition are ephemeral.)
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Polls
The third function x sin(1/x) function in the second poll was not liked much. It is a wild function. It is continuous at the origin but there is not instantaneous rate of change there. Average and instantaneous rate of change is the topic from next week. |
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Some links to Income inequality
- Gaps between upper, middle and lower income
- World Fact book ranks Gini Index of various countries
- World bank gives the most recent value 41.4.
- The Gini coefficient of the US as a function of time from 1990 to 2018
- Median Household income in the US (cenus.us
- income and poverty in the United States, 2018
- Gini index from 1967 to 2014
- Wikipedia Gini index since WW II
