Asked by wally

The following polynomial approximates the rabbit population in a particular area.?
R(x)= -0.121x^5+2.952x^4+3500, where x is the number of years frm 1975. use a graphing calculator to describe the rabbit population from the rears 1975 to 1990.
how do you get started with this problem
Answered by Reiny
at x = 0 --- we have 1975
R(0) = 3500
http://www.wolframalpha.com/input/?i=f%28x%29+%3D++-0.121x%5E5%2B2.952x%5E4%2B3500+for+x+%3D+0

http://www.wolframalpha.com/input/?i=f%28x%29+%3D++-0.121x%5E5%2B2.952x%5E4%2B3500+for+x+%3D+1

http://www.wolframalpha.com/input/?i=f%28x%29+%3D++-0.121x%5E5%2B2.952x%5E4%2B3500+for+x+%3D+2
.......

http://www.wolframalpha.com/input/?i=f%28x%29+%3D++-0.121x%5E5%2B2.952x%5E4%2B3500+for+x+%3D+15
Answered by wally
actaully my teacher put 1995=0 i forgot to put that in the problem
Answered by Reiny
no big deal, so 1995 --- > 0
but what did he/she change 1990 to ?
make the suitable changes
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