Hw#12

I can't open it on edline. Can anyone open it?

I goofed.

Okay. So I guess creating a quiz right after having a baby makes for a bad move. Why?! Umm, well, because you were right, #4 (the second FRQ) requires the use of a calculator. That on top of not realizing that Friday was a Double-4th Assembly day, and Mr. Chun not knowing it as well. Soooo...there are two things to tell you.
(1) I will not be counting the quiz that you took on Friday. I will grade it, however, and award some extra-credit points for your efforts/work.
(2) You will be given a NEW Quiz #3 to take. No, unfortunately you don't get a free pass on this. You're going to take it on Tuesday. Personally, I really think it's rather easy (easier that the other one?) so hopefully it won't take you the whole period and you can still work on or check your HW.

Please share this info with anyone else you know in class.
Thanks!

P.S. If there's anyone that still wants to be added onto the list of blog authors, email me and let me know.

Mrs. Carlson

Questiom about #26c

Hi Mrs. Carlson. I was just wondering if you knew what 26c was asking. Did the question get cut off(?) because 26 c only states something but it doesn't ask anything. Thanks!

HW help

#2a) I don't get the process that cound the x-coordinate and point of tangency between f(x) and g(x)

#7c) Since the area between the two functions from x=-2 to x=0 is revolved around the x-axis, why is it that the function is subtracted from the chord when you use washers and not the other way around?

#9b) I'm having difficulty understanding how they differentiated from(e^x-e^(-x)x to [xe+xe^x+e^(-x)-e^x].

#10b) How did you determine that 1/b is the slope of l and why does b=1/n?

#18b) How was it determined that A(w) would equal to we^(-w^2)?

Thanks

yesterday's hw #5

how would u do this question without graphing calculator?

HW#9 Area and Volume 10b

Does anyone know how to do 10b. I don't remember how to do it.
How do you find the area of T if you don't know the base of the triangle.

Area HW #1

A few questions that I've been absolutely stumped on:

#3a. Let R be the region of the graph of y=lnx and x=3 and the x-axis. When finding the region of R, I differentiated y=lnx from x=0 to 3. My answer was 3ln3-3, but it should be 3ln3-2. Did anyone else get this answer?
b and c. I am also confused as to how the volumes were set up.

#4c. Why is it, when you use disks, the endpoints of the differentiable equations are different?

c. I got k=4 when the answer is k=.995. I divided the answer in 6b in half, differentiated the function, and then put k in the place of x. Then I graphed it to see when the differentiated function matched y=one half of 6b. What am I doing wrong?

#7. What do they mean by the chords A(-4,0) and B(0,2)? How do you figure out if it is tangent to y^2=8-x^(3/2)?

Area and Volume 5a/3b

Anyone know how to do any of these problems? On 3b I end up with pi(lnx)^2, and I can't integrate it. Does anyone know how to integrate it without a calculator or is my equation wrong? I have a similar problem on 5a; I can integrate the cos x in my equation but not ln(x^2+1). Scientific calculators are allowed but I don't see how they help. Anyone know what to do?

Unfortunate

It appears that a number of students are merely copying the solutions down for the homework, and not bothering to do the work. This is NOT GOOD, you guys. When I start seeing IDENTICAL work for people, that basically just mimics what's in the solutions, I know you're not getting it.
You need to utilize this blog for questions/help. I saw a lot of that when the AP Calculus Clue was given. You need to do that again.
Either that or post questions and ask me to consider commenting as well.
I am going to be much harsher in grading those homeworks from now on.
Beware!

I need to know...

Have any of your parents expressed concern regarding my maternity leave? I received an email from the principal regarding this and my sub (Mr. Chun). I'd like to know because it concerns me, my class, and well, ME! I'm not upset or anything. Honest. Just curious and concerned to know what the "concerns" from parents have been.
You can read the email on my other blog's post.

Out of Curiosity

Hi Mrs. Carlson,
I was wondering if we still get bonus pts for wearing our shirts on Wednesdays.
just curious (and hopeful).

AP Calc BC Review HW # 4

Hi.

I have trouble with HW #4, number 5c. I kept getting 1.32 instead of 1.52. Can someone please help me?

-Jean R.

HW#2 Riemman Sums

Hi Mrs. Carlson,
The homework is not opening on my computer. I am not sure why but it isn't. I was wondering if you could check it out. Thank You

Hi Calc BCers!

Hey guys...I am here...sort of. Busy trying to get your stuff ready. Nope, no baby yet. =)

I have RE-POSTED ALL of the worksheets so far. Special notations: "$" means scientific calculators allowed and "*" means graphing calculators allowed. Otherwise, NO calculators allowed at all.
Also, I fixed some typos and added in THREE problems each on the Riemann Sums (Tues/Wed HW) and extended the Slope Field/Diff EQs to include Euler's Method and made it 2 days' worth.
Please just go check it out and share with others in the class.
At the end of the problems are the answers, as well.

I will see you guys tomorrow morning (unless something happens in the middle of the night...)!

-Mrs. Carlson

Related Rates

Mrs. Carlson
Are you okay?
If you are, can you post the solutions to the related rates worksheet?

HW #13 - 87 - BC5 c

Hi. I was just wondering for 87 - BC5, I found the equation in terms of x and y but I don't know how to find the interval for T. Does anyone know how to find the interval of T? Thanks.

mrs.carlson-if you have time, could you post the answers to the FRQs, so we can check our answers? or is it on edline already?

Test on Friday

For the test- do we need to know subjects covered in the book but not in our notes? These topics include finding ground speed and direction (#65 in #12 hw) and using the symmetry test for polar functions. I'm having trouble in both areas.