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Error Estimating

by intenzxboi
Tags: error, estimating
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intenzxboi
#1
Feb28-09, 02:13 PM
P: 98
I'm trying to figure out how to get M

http://i148.photobucket.com/albums/s...nzxboi/hw1.jpg

how did he get 4??
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Mark44
#2
Feb28-09, 02:22 PM
Mentor
P: 21,261
The function is f(x) = sin(2x). Find f'(x) and then f''(x). What is the largest possible value of f''(x)?
intenzxboi
#3
Feb28-09, 02:29 PM
P: 98
so because sin 2x cannot be more than 1 between the pi/2 and 0??

letmeknow
#4
Feb28-09, 02:42 PM
P: 26
Error Estimating

sin(x) oscillates between -1 and 1. Check on the TI.

Also, sin(nx) , such as sin(3x) , just increases the frequency I think. You can graph that too. It just squooshed the oscillations closer to the y-axis. So they are still in between -1 and 1.
intenzxboi
#5
Feb28-09, 02:59 PM
P: 98
o ok i got it thanks


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