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February 1, 2015

February 1, 2015

Posted by **greeny** on Tuesday, October 2, 2012 at 9:01pm.

a. y= 2x + cos x

b. y= 1-0.5x+ cos2x

- pprecalc -
**Steve**, Wednesday, October 3, 2012 at 11:32amsince -1 <= cosx <= 1

(a) 2x-1 <= y <= 2x+1

(b) 1-.05x-1 <= y <= 1-.05x+1

or, -.05x <= y <= 2-.05x

visit

http://rechneronline.de/function-graphs/

and play around some to see

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