Stitz-Zeager_College_Algebra_e-book

# Y x5 y x3 y x7 as with the even degreed functions

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Unformatted text preview: tion of the Portage County Animal Protective League called “Tattle Tails”. They make the following statement and then have a chart of data that supports it. “It doesn’t take long for two cats to turn into 80 million. If two cats and their surviving oﬀspring reproduced for ten years, you’d end up with 80,399,780 cats.” We assume N (0) = 2. Year x Number of Cats N (x) 1 2 3 4 5 6 7 8 9 10 12 66 382 2201 12680 73041 420715 2423316 13968290 80399780 Use Quadratic Regression to ﬁnd a parabola which models this data and comment on its goodness of ﬁt. (Spoiler Alert: Does anyone know what type of function we need here?) 2.5 Regression 177 (b) This next data set comes from the U.S. Naval Observatory. That site has loads of awesome stuﬀ on it, but for this exercise I used the sunrise/sunset times in Fairbanks, Alaska for 2009 to give you a chart of the number of hours of daylight they get on the 21st of each month. We’ll let x = 1 represent January 21, 2009, x = 2 represent February 21, 2009, and so on. Month Number Hours of Day...
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## This note was uploaded on 05/03/2013 for the course MATH Algebra taught by Professor Wong during the Fall '13 term at Chicago Academy High School.

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