Monday, April 30, 2007

Assigment

Well Rumidog, seems like you are not the only one working today, or atleast right now.
As an answer to the assigment,
1. a question I have about the topic would be, how do you write an explicit definition? Today in class I saw the formula (Arithmetic: {Tn-1+(n-1)d}, Geometric: {(T1)r^(n-1)}), but I don't understand what does it mean.
2. A mistake I'm most likely to do would be, how to get the function of a sequence. I know how to do it, but sometimes it is easy to make a mistake (Example: today during the POD).
3. What is the explicit definition for the following sequence 3, 13, 23 (3: 2nd term, 13: 9th term, 23: 16th term)
another question: will the quiz include graphs? I HOPE NOT!
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1 comment:

nk said...

SOLUTION TO THE QUESTION:
3, 13, 23
number of jumps: 7 (9-2= 7, 16-9= 7)(*remember that 3 is the 2nd term, 13 is the 9th and 23 is the 16th)
13-3=10
10/7= 1.428.... (= to a jump)
3-1.428....= 1.5714...(1st term)
Tn=Tn-1+(n-1)d
= 1.5714...+(n-1)1.428....

April 30, 2007 at 2:25 PM

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