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who isn't stupid at math

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superspy468 is not online. superspy468
Joined: 29 May 2009
Total Posts: 53408
05 Oct 2014 11:02 PM
<-- unlike me

some review in my pre-calc book and I forgot how to do it


QUESTION:

The growth of a red oak tree is approximated by the function:

G = -0.003t^3 + 0.137t^1 + 0.458t - 0.839

where G is the height of the tree (in feet) and t (2 ≤ t ≤ 34) is its age (in years). Use a graphing utility to graph the function and estimate the age of the tree when it is growing most rapidly. This point is called the "point of diminishing returns" because the increase in growth will be less with each additional year. (Hint: Use a viewing window in which 0 ≤ x ≤ 35 and 0 ≤ y ≤ 60.
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TheEpicOutfitChanger is not online. TheEpicOutfitChanger
Joined: 01 Dec 2012
Total Posts: 88609
05 Oct 2014 11:03 PM
0
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superspy468 is not online. superspy468
Joined: 29 May 2009
Total Posts: 53408
05 Oct 2014 11:03 PM
G = -0.003t^3 + 0.137t^2 + 0.458t - 0.839 ****

T^2, not T^1.
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Axewarrior is not online. Axewarrior
Joined: 14 Dec 2008
Total Posts: 8390
05 Oct 2014 11:04 PM
I may be in geometry as a freshman but... I have no idea what im even reading
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hawkman8889 is not online. hawkman8889
Joined: 08 Nov 2009
Total Posts: 18815
05 Oct 2014 11:04 PM
Sorry I don't take poleometromic geometry 7 megasouce2016
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Dylan2225 is not online. Dylan2225
Joined: 04 Oct 2008
Total Posts: 39934
05 Oct 2014 11:04 PM
📈
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laats is not online. laats
Joined: 12 Apr 2014
Total Posts: 9924
05 Oct 2014 11:09 PM
and at what point in your lifetime will you ever need to know this type of math for whatever carrier
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superspy468 is not online. superspy468
Joined: 29 May 2009
Total Posts: 53408
05 Oct 2014 11:10 PM
IKR LAATS
ugghhhhhh
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hawkman8889 is not online. hawkman8889
Joined: 08 Nov 2009
Total Posts: 18815
05 Oct 2014 11:10 PM
Sorry I don't take poleometromic geometry 7 megasouce2016 [2]
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laats is not online. laats
Joined: 12 Apr 2014
Total Posts: 9924
05 Oct 2014 11:12 PM
I don't get it because i'm pretty sure a lot of jobs you won't need to know this to get that job, so like why don't they just teach this in university/college for certain jobs that actually need this type of math.
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operated is not online. operated
Joined: 02 May 2012
Total Posts: 10170
05 Oct 2014 11:13 PM
So next year ima be learning about the growth of oak trees


Thx highschool for teaching me these valuable life skills
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superspy468 is not online. superspy468
Joined: 29 May 2009
Total Posts: 53408
05 Oct 2014 11:14 PM
I'm a junior btw
pre-calc
this is under the algebra review section
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