**Population Growth Estimation of Alligators Using Malthusian Law**In 1980, the population of alligators in a particular region was estimated to be 1,400. By 2007, the population had grown to an estimated 6,000. Using the Malthusian law for population growth, estimate the alligator population in this region for the year 2020.---The alligator population in this region in the year 2020 is estimated to be ____.*(Round to the nearest whole number as needed.)*

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Answered: In 1980 the population of alligators in…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Q1: Below is the population of the city in lenses taken once every 10 years. Estimated population im 1955 Year 1951 1961 1971 1981 Population in lakhs 35 42 58 84
In 1980 the population of alligators in a particular region was estimated to be 1400. In 2006 the population had grown to an estimated 5500 Using the Mathusan law for population growth, estimate the alligator population in this region in the year 2020. The alligator population in this region in the year 2020 is estimated to be (Round to the nearest whole number as needed.)
A certain city's power company charges their residents for electricity usage on a daily basis. There is a basic charge of 11.57 cents. For each day the first 10 kWh cost 4.81 cents per kWh and any additional kWhs are 9.69 per kWh. (A kWh, or kilowatt-hour, is a unit of energy.) (a) Complete the following table using the information provided above. kWhkWh 0 5 10 15 20 cost (dollars)cost (dollars) kWhkWh 25 30 35 40 cost (dollars)cost (dollars) (b) We can define a piecewise function f(x)f(x) where xx is the kWh used in a day and f(x)f(x) is the cost, in dollars. This function would have the form f(x)={g(x)h(x)ififx∈Ax∈Bf(x)={g(x)ifx∈Ah(x)ifx∈B What functions g(x)g(x) and h(x)h(x) make up the piecewise function f(x)f(x)? g(x)=g(x)= for A = h(x)=h(x)= for B = Hint: A and B are intervals. If an interval uses ±∞±∞ write inf or -inf . (c) Using the above function, what is the cost of 26 kWh? dollars. (d) For 3 dollars, what is the maximum kWh usage for one…
(a) The population of people in Shah Alam, Selangor at 1st January 2005 was 425032. The population is expected to increase at an annual rate 1.5%. Find: i. the population at 1st January 2013. i. the year, when the population more than 475 000.
3. Given 100 grams of bacteria that decreases at a rate of 2 per year. What would be an appropriate range after 4 years? Osxs5 Osys100 Osxs100 6.25sys100
Answer the following: (Note: only use 1 decimal place for the answer) In a community with a population of 1M people where 65% are female, 100,000 babies were born during the year 2010. Out of the number of mothers who gave birth, 769 mothers died during childbirth. a total of 90 babies died during labor. Calculate the maternal mortality rate per 100,000 population

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