Week 6 of m151
(§ 2, Mr. Lane)
27 Feb – 3 Mar, 2017

Math Learning Center (in Math 011) has tutors:
9am–4pm on Monday–Thursday and 9am–1pm on Friday

math@Mansfield (Library) has tutors: 6:30pm – 9:00pm on Sunday–Thursday

math@Mansfield (Library) has tutors: 6:30pm – 9:00pm on Sunday–Thursday

- weekend (25–26 February 2017): begin review for Test 2
- A collection of review problems was distributed Friday (24-Feb) and is posted on the class website (lennes.math.umt.edu/151/pdf). Solutions will be posted there Wednesday evening (1-Mar).
- WeBWorK assignment
**Test-2-review**opened Friday (24-Feb) and closes Thursday evening (2-Mar). Solving 5 or 6 problems per day would be a reasonable pace.

- Monday [d18] (27 February 2017)
WeBWorK:
RQ-6-1 closes at 10 am,
day-16 closes at 11 pm
- Study section 6.1 (
*Shifts, Reflections, and Symmetry*).- Brief review of vertical & horizontal shifts may be aided by re-study of §2.4 (pp 90–97).
- Use your graphing calculator to create each figure in Example 3
(bottom of page 235)
**before**turning the page to read the text's solution. - Example 4 presents several types of thinking.
- Symbolic: find a sequence of two or more transformations which modify the lefthand figure into the righthand figure. A different sequence might also work.
- Modeling: interpret each figure (in context: yam & oven).
- Tactical: finding a computational formula is simpler for which figure?

- §6.1 finishes (pp 237–239) by considering various
ways for a function's graph to be
**unchanged**by one or more reflections.

- Work on these exercises and problems in section 6.1:
s1–s4, s9;
1–4, 9,
**15**, 23;**25**, 27, 30, 31,**33**, 41,**43**, 45, 52

- Study section 6.1 (
- Tuesday [d19]
WeBWorK:
RQ-6-2 closes at 10 am,
day-17 closes at 11 pm
- Study section 6.2 (
*Vertical Stretches and Compressions*).- Suppose function g is a vertical stretch (by factor k) of function f. Also suppose [a,b] is an interval in their domain. Compare average rates of change for those functions on [a,b].
- Example 3 involves a combination of several transformations.
- Try to solve Example 3 by sketching the graph of g(x) before reading the text's work.
- Study how the two figures at bottom of page 246 are related.
- Adapt this example's method to sketch a graph for each
part of Skill Refresher S3 (page 247).
Note:
**after**drawing a sketch, you can use a graphing calculator to check whether your sketch is plausible.

- Work on these exercises & problems in section 6.2:
s3;
2,
**7**, 9–10; 16, 21, 22, 28–29, 31, 39, 43 - Anticipate a quiz.

- Study section 6.2 (
- Wednesday
WeBWorK:
day-18 closes at 11 pm
end-of-chapter review problems to solve during your review for Test 2 Chapter Exercises Problems Strengthen Your Understanding (True/False & explain) **4**(pp 176–182)1–6, 8, **9**, 11, 1417, 31, **33**, 38, 45, 47, 681, 13, 14, 18, 20, 22, 23, 25, 27, 32 **5**(pp 225–228)1, 5, 11, 15, 17, 23 31, 33, 35, 41, **44**, 49, 53, 58**4**, 5, 8, 11–14, 15–17, 21, 26, 28**6**(pp 259–263)5, 7, 9 13, 17, 21, 23, 24, 35 1, 2, 3, 4 & 5, 6–8, 11, 12, 15 - Solutions for the two-page set of Test-2 Practice Problems
(
*distributed Friday*) will be posted Wednesday evening on the class website.

- Solutions for the two-page set of Test-2 Practice Problems
(
- Thursday WeBWorK: Test-2-review closes at 11 pm
- Friday (3 March 2017) —
**Test 2**: emphasis on Chapters 4 and 5 (except §5.4) plus section 6.1- You may use a non-symbolic graphing calculator during the exam.
- Phones, music players, tablets, and computers must be turned-off and out–of–sight.

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© Richard B Lane
Last modified: 16 March 2017, Thursday 19:11