Question

O Shown to the right is a certain population for selected years between 1950 and 2005. Use the table to answer questions arough el Years after 1950 20 30 40 50 50 Population 1.196 B22 14.024 18 2001 21.77 21,80 Use regression to it a logic equation NID to the data (Type an exact answer in terms of Use integers or decimals for my numbers in the equation Round to the domaces as needed) by Estimate the imiting value of the function What number wil the population approach in the long run? The populsion will approach people Type an integer or decimal rounded to the nearest Whole number as needed c) Graph the function Choose the correct graph below Each viewing window is 1-2.70,71 byl-2400 26000,2000) ОА Ос. OD Q @ T os do 5 d) Find the rate of charge, NO NO- Smplify your answer. Type an exact answer in terms of e. Round the finalwer to the neareal thousandthedad Round alarmediate to the nearest thousand as need el Find im N) and explaints meaning Click to select your answers)

QUESTION: Shown to the right in a certain population for selected years between 1950 and 2005.

Table

Years after 1950 - Population

0 - 1196

20 - 8282

30 - 14024

40 - 18203

50 - 21717

55 - 21940

a)
b)
c)
d)
e)

Answer 1

Pago No. : Dato: c= 23222.30 с > NC2 = a 2 teel? + -56 ace b c o. 1014 Onch (its et ² a (-by eht се. -c Nana ГciЬС ebt aliebt FH el lu 1-P02 NA abe.ebt (ita ebtga A means ero tea pn schope means N2 caturated vale at when Çpopulation t reaches t to biomes eerst b С le NG No NPOOL C 23222.30

104 2.5 2 1.5 N(t) 0.5 0 -100 -50 0 50 100 150 200 t

untitled23.m x untitled20.mx untitled1 4.m x clear; 1 2 3 t = [0;20;30; 40;50;55); n = [1196; 8282;14024; 18203;21717;21940); a=[100;0.7;10000]; % a(1) = a ; a(2) = b; a(3) = 0 10 n_c = @la,t) a(3)./(1 + a(1) *exp(-a (2)*t)); a = lsqcurvefit(n_c,a,t,n); s=sprintf('N(t) = $f/(1 + $f*exp(- $f*t))',a(3), a(1), a (2)); disp(s); 12 14 15 16 17 18 t_c = -100:1:200; n_c = a(3)./(1 + a(1) *exp(-a (2)*t_c)); plot(t,n); hold on;plot(t_c,n_c) Command Window New to MATLAB? See resources for Getting Started. X Isqcurvefit stopped because the final change in the sum of squares relative to its initial value is less than the default value of the function tolerance. <stopping criteria details> N(t) = 23222.306988/(1 + 14.118034*exp(- 0.101429*t))