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Homework Assignment 9

Assigned Tuesday November 5; due Friday November 15, 2PM at SS 1071

this document in PDF: HW09.pdf

Required reading

All of Spivak Chapter 10.

To be handed in

From Spivak Chapter 10: 2 (parts 3, 6, 9, 12, 15, 18), 6 (even parts), 8, 9 (notice -- in problem 9 replace ``$ x\leq 0$'' by ``$ x\geq 0$'').

Recommended for extra practice

From Spivak Chapter 10: 2 (all other parts), 6 (odd parts), 7, 15, 18, 33.

Just for fun

I took the following picture of the paper handed out by the airline, aboard Air Canada flight 800 to Boston last Friday:

Economic Growth Seen Slowing

Denote by $ E(t)$ the overall size of the Canadian economy at time $ t$. Can you translate the headline above to a simple statement about a certain derivative of $ E(t)$? Plot the graph of $ E(t)$ to the best of your understanding given the information in the headline.

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Dror Bar-Natan 2002-11-06