Spring 2001, Math 101

January 2001

Be sure to check back often, because assignments may change!

All section and page numbers refer to sections from Ostebee/Zorn, Vol 1.

Due Wednesday 1/31, at 8am

• To read: all of the above documents, plus that from the textbook mentioned below.
• Pay attention to: all of it: I tried to address as many issues as I could think of. Any questions? Ask me (in person or by e-mail)!
• Reminder: Keep the hard copies of these documents in your folder. Make a note of exam dates, project due dates, and the due date of the final in your calendar.

Section 1.1: Functions, Calculus Style
Section 1.2: Graphs
Appendix A: Real Numbers and the Coordinate Plane

• To read: Section 1.1 through Example 6; Section 1.2 through Example 5. Read or skim through Appendix A with whatever depth you need to.
• Be sure to understand: Examples 5 and 6 from Section 1.1; Examples 3 and 4 from Section 1.2. All of Appendix A, of course.

E-mail Subject Line: Math 101 Your Name 1/31

1. Using the function m(x) defined in Example 4 on page 4, what is m(-4) exactly? Did you figure this out using the graph or the piecewise definition? Explain why you chose the method you did.
2. Consider the hot-air balloon whose altitude graph is shown in Example 5 on page 5. Is the balloon rising or falling at t = 3 minutes? Is the upward velocity positive or negative at t = 3 minutes?
3. In Example 2 on page 14, exactly how far above the x - axis is the curve when x=3?
4. In Example 3 on pages 14 and 15, the authors say that f (1) is approximately - 6, but that we'd need more information to know whether f (1) = - 6 exactly. What kind of information would tell us whether f (1) = -6?

Reminders:

• Always explain briefly how you arrive at each of your results. This time I asked "why or why not"; "explain", etc. I won't always, but it's implied.
• Come to lab at 1pm Tuesday.
• Find out this week's problem set assignment, listed at the bottom of this course's web page. .

Unfortunately, I can not respond individually to the reading assignments every day. I will, of course, respond to direct questions. There does not appear to be an easy way for me to automatically send you a "message received" note. Usually e-mail goes through fine, but sometimes messages do disappear without bouncing back to you. To be on the safe side, send yourself a copy every time you send me a response. Every now and then, ask me if there are any missing assignments, and if there are, forward your (dated) copy.

Here ends the reading for January
Go to the reading assignments for February!

Janice Sklensky
Wheaton College
Department of Mathematics and Computer Science
Science Center, Room 109
Norton, Massachusetts 02766-0930
TEL (508) 286-3973
FAX (508) 285-8278
jsklensk@wheatonma.edu

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