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- Paul Klarreich
Advanced Math/Expert Profile
Expertise
I can answer questions in basic to advanced algebra (theory of equations, complex numbers), precalculus (functions, graphs, exponential, logarithmic, and trigonometric functions and identities), basic probability, and finite mathematics, including mathematical induction. I can also try (but not guarantee) to answer questions on Abstract Algebra -- groups, rings, etc. and Analysis -- sequences, limits, continuity. I won't understand specialized engineering or business jargon.
Experience in the area
I taught at a two-year college for 25 years, including all subjects from algebra to third-semester calculus.
Education/Credentials
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Average Ratings
Recent Answers from Paul Klarreich
2012-02-04 Sets, elements, subsets:
Questioner:Sarah Country:Florida, United States Category:Advanced Math Private:Yes <<<<<<<<<<<<<<<<<<<<< changed Subject:Sets, elements, subsets Question: *** I'm not asking you to solve this
2012-02-03 Maximum-minimum problem:
Questioner:Rubelyn Question: a room of area 18m^2 is divided into six cubicles of equal floor area by erecting two wooden partitions 2 m high parallel to one wall and another partition 2 m high parallel
2012-01-26 averages:
I substitute teach a few days a week and have been trying to figure out how to determine the average time I receive the telephone call. This would be easy if I got called every day but there are days when
2012-01-24 averages:
Questioner:David Subject:averages Question: I substitute teach a few days a week and have been trying to figure out how to determine the average time I receive the telephone call. This would be easy
2012-01-20 Trig graphs:
Questioner:alexa Country:California, United States Question: after exercising for a few minutes, a person has a respiratory cycle for which the velocity of air flow is approximated by v=1.79 sin(pi
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