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Unformatted text preview: Graph the equation on paper, and then choose the corre et graph. 9:3“ Choose the correct graph on the right. Nix) = 4213213 3“ The populatlon of an aquatic: spee1es 1s
approxlrnated by the foﬂowmg ﬁmenon,
where t is measured in years. 25,000
1+ 152 ’35“ El 15 3]
a) Final (3’0). 1.)) Find the grth rate at 1 year, 4 years, and 16 years. :1} rum L} Lt) Choose the Correct EDSWE
below 255,000 g '0 5‘“
(1+152 054:)2
"’ 2550002 45“
(1+162 70.5452
255,000 g ' D 5‘“
(1_ 162 —D 64t)2
— 255,000 g '0 5‘"
(1+162 70.54:)2 h} The growth rate 111 1 year 15
1 5 1 6 p er year.
(Round to the nearest whole number.) The growth rate in 4 years is
3955 per year 2x _ a
F(X)— Km
2E 2X(X_ 5) Find the derivative with respect tc Xifflixj=igx2 18x+ 18);? x.
FIX): T
The derivative with respect tc Xifflixj={9§e:2 ldx+ 13212 x is f“(x) = 9X2»? x. 3r=xa '3x+ a _x+X3 d
EFF: Exe '3x+ 2 "Ex 5? _x+3KT Find the slcpe cfthe tangent line tn the curve fl:le = e x at { H.105}. The slcpe cfthe tangent line is [15 . {Raund ta tch decimal places as needed.) The number cf hits an a certain website {in thcusands} is apprcximated by flixj = 4] 2 DHEQX, where X: III ccrrespcnds tc 2IIl Find the number cfhits an this website and the rate at which
this numb er is changing in 2004. The number cfhits an this website in 2004 is T2565 thcusand.
(Raund ta the nearest thcusandth as needed.) The rate at which this number is increasing in 2004 by 1].EIII5 thcusand per year. The population of an aquatic species is a} The population 111 1 year is 3050 _ apprumated by the .fuuumg funcﬁun’ (Round up to the nearest whole number.)
where t 15 measured in years. G6): 37,500 The populationin4 years is 11116.
1 + 19 e T0521 (Round up to the nearest whole nurnher.)
4% ‘ 0 Q‘   
’ f — 'l'he populatlon in 19 years 15 37464 .
(Round up to the nearest whole number.)
20,00
‘1} 15m G(t) = 37500.
i )uc
'3 15 30 Interpret the value for Lirn G(t). Choose
:} Find the population at 1 year, 4 years, and t "r 19 years the correct answer below. ...
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 Spring '11
 JoyceRosebergh

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