Week 2  topics

1. Section .4 #8  ( similar to #13 in the text exercises)

The webassign I think has the inequalities messed up a bit; the -pi/2 should not be included but 0 can be included.  tan(-pi/2) is undefined so I think it should not be a less than or equal to sign after it.

2. In the text exercises for 1.1, #20, states to find C to make H(x) continuous at x=1 but in the definition of the piece-wise graph it has x=5 and x not equally 5    I think these should be 1.

3. Just a “heads up” about the 1.1 webassign homework.  It is long since 1.1 is an overview of the whole chapter.  I think it should be DUE after they’ve done all of chapter 1 since in the following sections we go into more depth on each subjects, limit theorems(1.2) , continuity(1.3) , tangent lines and the instantaneous velocity(1.4)

Note the coefficients between the problem and the solution do not match in example 22 on pg.75  x = 3 cost in the problem and x = 4cost in the solution.

y = 4sint in the problem and y = 3sint in the solution.

Please note the following small mistakes/typos in the current text(fall 2017)

On page 8 of Chpt. 0 under exponents, there are typos in #1, text states 0^x = 1 (not true) and “0^0 is undefined” instead of saying indeterminate.

In chapter 0 exercises, #15 on page 12 in the answers, the natural number are said to be not closed under multiplication. (The natural numbers are closed under multiplication.)

Welcome to the web page for Math 141 course instructors! First day of classes is 8/16.

Math website

Multi Media Center is a great resource; encourage your students to visit regularly. They can get help on Webassigns and on Maple assignments.

The lost and found is also in the Multi-Media room.