114 Answered Questions for the topic Exponential Growth

Exponential Growth Calculus

02/14/17

Exponential Equation Help
In 1626, Peter Minuit traded trinkets worth $24 for land on Manhattan Island. Assume that in 2014 the same land was worth $4 trillion. Find the annual rate of interest compounded continuously at... more
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Exponential Growth

02/11/17

I have a question about writing two exponential growth functions, please help
Write two exonential growth functions f(x) and g(x) such that f(x) < g(x) for x < 3 and f(x) > g(x) for x > 3
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11/30/16

Exponential Growth Question
A savings account is started with an initial deposit of $500. The account earns 1.5% interest compounded annually. a. Write an equation to represent the amount of money in the account as a function... more
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Exponential Growth Logarithms

11/23/16

A strain of bacteria grows exponentially
A strain of bacteria grows exponentially. Immediately after 2 hours there were 1000 bacteria, and immediately after three hours there were 5000 bacteria. If no bacteria die, then the time it takes... more
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Exponential Growth Exponential Functions

11/22/16

The population of the world was 7 billion in 2013 and the relative growth rate was 1.7%
By what year will the world's population reach 10 billion? I'm confused on how to use the "e" in the formula n(t) = n0 • e ^ (rt) Thanks!
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Exponential Growth Math Word Problem College Algebra

11/21/16

Create an exponential function of the the form Q= Q_0
The number of restaurants in a city that has a 780 restaurants in 2013 increases at a rate 2.8% per year. (a)Create an exponential function of the the form Q= Q_0 \times (1+r)^t (where r > 0 for... more
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Exponential Growth

11/20/16

find the initial number and equation.
the population of bateria grows by 40% everyhour. If there are 8232 bacteria at the end of 3 hours, what is the equation and initial number.
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Exponential Growth Growth

11/17/16

Virus cell growth
The growth formula of virus cells is given as N=100(2)0.17t, where N is the number of virus cells present after (t) days. Calculate the number of days, to the nearest hour, taken for the bacteria... more
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Exponential Growth

11/04/16

Exponential Growth
Dissolving a chemical--The amount of a chemical that will dissolve in a solution increases exponentially as the (Celsius) temperature t is increased according to the model A(t) = 10e^0.0095t. At... more
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Exponential Growth

10/30/16

A city had a population of 23,300 in 2000 and a population of 26,800 in 2005. Find the exponential growth function for the city. Use t = 0 to represent 2000
exponential growth
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Exponential Growth Exponential Decay

10/12/16

Determine the amount of an investment if $400 is invested at an annual interest rate of 7.25% for 7 years. Round to the nearest penny.
F(x)=a(1+/-R)^t
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Exponential Growth

09/17/16

Exponential growth question?
https://gyazo.com/c16efc1b05e028fcb402edeefa7f1738   The answers in the photo are the correct answers, but I just don't know how to go about solving the problem. Any help would be appreciated!
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Exponential Growth Exponential Decay

09/12/16

y=41(0.6)^x
Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage rate of increase or decrease. y=41(0.6)xIs it growing or decreasing?... more
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Exponential Growth Trigonometry Sat Math This Is Hard

08/04/16

Linear and Exponential Modeling/ Trig Help?
A teacher’s salary is modeled by the equation an=48,000(1.0325)t−1 where t represents years of experience. How much should this teacher expect to pay in their 5th year of teaching? A. $52,833.75 ... more
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Exponential Growth

06/27/16

population is 141,298 and increases 7.44% what will be the population in ten years
The total population of Savannah is 141,298, which is 7.44% more than it was in 2000. , during the 15-month period, the population growth Savannah, is rising 4.26 percent to 276,434.What will the... more
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06/10/16

Exponential Growth Question
I'm doing exponential growth. Initial population is 10 bacteria. Doubles every 1.5 hours.    The model for the culture after t hours is: n(t) = n2^t/a   For this culture it should be n(t) = 10... more
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Exponential Growth

05/22/16

It takes 12 hours for a certain bacterial culture to double in population
P=P0ert
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Exponential Growth Math Modeling

04/29/16

Exponential growth of fruit flies
Suppose an experimental population of fruit flies increases according to the law of exponential growth. There were 100 flies at the end of the second day of the experiment and 300 flies at the end... more
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Exponential Growth Math

04/19/16

Use the exponential growth? model, A=A0e^kt?, to find the time it takes a population to multiply by seven ?(to grow from A0 to 7A0?).
Exponential growth problems (Math 105)
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Exponential Growth Ecology Population

04/04/16

If a species has a ? = .8, and has a current population size of 100, how many years will it take for the population size to drop below 50 individuals
If a species has a λ = .8, and has a current population size of 100, how many years will it take for the population size to drop below 50 individuals
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Exponential Growth

03/30/16

The half-life of a radioactive kind of lead is 3 hours. How much will be left after 9 hours, if you start with 80 grams of it?
3 hours, 80 grams
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Exponential Growth

03/23/16

suppose that 10 squirrels are introduced to an area. If their population doubles every three months, how many squirrels will there be in 6 years?
please answer and solve with detail
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Exponential Growth

03/23/16

Sarah has 10 guppies. Their population triples every 4 months. How many guppies will there be in two and a half years?
 please add details on how to solve
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02/28/16

Exponential Growth Problem Involving bacteria population??! PLEASE HELP!!! - Precalculus
I am really stuck on this question, particularly questions 3 and 4. Could you please show how you get the answers to those questions and explain? I have been stuck on those for a while and would... more
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02/26/16

The count in a bateria culture was 100 after 15 minutes and 1800 after 30 minutes.? Find the population in 95 minutes? EXPONENTIAL GROWTH PROBLEM!? PLEASE HELP
The count in a bateria culture was 100 after 15 minutes and 1800 after 30 minutes. 1. What was the initial size of the culture? Round your answer to the nearest bacteria. 2. Find the doubling... more
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