Soo, I've decided to post this little bit of fun info:
I was reading Nightlight (parody of Twilight) and there were references to Calculus! I felt smart because I actually knew what they were talking about!! (hehe, Riemann Sums)
Anyway!!
Thursday...
It clicked!! I'm finally starting to understand these problems!! I think it's because Mrs. Robinson is going soo slow and explaining everything very thoroughly! Yay!!
So, let me explain a few things ^^
1. Limit from h->0 (DON'T LOOK AT THE COEFFS!!); it's a definition of a derivative
2. When you're asked about the Average Rate Of Change, you simply take the derivative.
3. When they ask you about relative maximum, you take the derivative, solve for x, and check intervals.
4. When you're asked about maximum value, take the derivative, solve for x, then plug in to get y.
5. Maximum acceleration = slope
6. ?? Can someone confirm this for me? When asked for the position, find the area between the two points??
7. When asked to find the vertical tangents, take the derivative.
8. When you see the word rate, take the derivative and solve it for...????
Also, I don't really understand the stuff we did on Friday?? Any help please?
Annndd!
Can someone explain to me the nPr and the nCr please? I need to calculate the probability that the Saints will LOSE the Super Bowl ^^
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for postition you look at the graph..and you see where it's headed or its location.
ReplyDeleteOn Friday, how to find distance when you are given velocity was explained. To do this, you first have to integrate to get position. Remember: Its position, velocity, then acceleration. You are given something such as 0<or = to t < or = to 5 in the problem so use the points between 0-5 for your bounds and plug each into the integral.
ReplyDeleteFor the first integral, you would us [0,1] then [1,2], then [2,3], [3,4] and [4,5]. Once you find the integral between all of those points, you add them up to get your distance.
nPr and nCr.
ReplyDeletep-permutations *order does NOT matter*
c-choose *order DOES matter*
3C2... would be pronounced as 3 choose two, whatever. ok, anyway.
nPr = n! / (n-r)!
nCr = n! / r!(n-r)!
by the way, SAINTS DEFINITELY WON ;)