Question

The number of a particular fish in thousands x years after 1972 can be modeled by...

The number of a particular fish in thousands x years after 1972 can be modeled by ​f(x)= x237(0.882)x. Estimate the year when the number of these fish reached 98 thousand.

Math   Algebra   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

we have to find x when f(x)=98

=>

talking ln both sides, we get

in year 1972+7=1979 number of these fish reached 98 thousand.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The populations P (in thousands) of a particular county from 1971 through 2014 can be modeled...
The populations P (in thousands) of a particular county from 1971 through 2014 can be modeled by P = 73.5e0.0326t where t represents the year, with t = 1 corresponding to 1971. (a) Use the model to complete the table. (Round your answers to the nearest whole number.) Year Population 1980 1990 2000 2010 (b) According to the model, when will the population of the county reach 380,000?
The population P (in thousands) of a certain city from 2000 through 2014 can be modeled...
The population P (in thousands) of a certain city from 2000 through 2014 can be modeled by P = 160.3e ^kt, where t represents the year, with t = 0 corresponding to 2000. In 2007, the population of the city was about 164,075. (a) Find the value of k. (Round your answer to four decimal places.) K=___________ Is the population increasing or decreasing? Explain. (b) Use the model to predict the populations of the city (in thousands) in 2020 and...
The number​ (in millions) of employees working in educational services in a particular country was 13.2...
The number​ (in millions) of employees working in educational services in a particular country was 13.2 in 2005 and 16.2 in 2014. Let x=5 correspond to the year​ 2005, and estimate the number of employees in 2011. Assume that the data can be modeled by a straight line and that the trend continues indefinitely. Use two data points to find such a line and then estimate the requested quantity. Let y represent the number of employees. The linear equation that...
The number of tickets issued by a meter reader for parking-meter violations can be modeled by...
The number of tickets issued by a meter reader for parking-meter violations can be modeled by a Poisson process with a rate parameter of five per hour. What is the probability that exactly three tickets are given out during a particular hour? Find the mean and standard deviation of this distribution. P(X=3) = 0.1404 Mean = 5 Standard deviation = 2.2361 UNANSWERED: What is the probability that exactly 10 tickets are given out during a particular 3-hour period?
The number of internet users worldwide (in millions) x years after 1994 is given by y...
The number of internet users worldwide (in millions) x years after 1994 is given by y = 5.4922(1.3786)^x . (a) Estimate the number of internet users in 2020. (Include units in your answer.) (b) In which year will the yield be 14.7 million users?
The revenue R (in dollars) from renting x apartments can be modeled by R = 2x(500...
The revenue R (in dollars) from renting x apartments can be modeled by R = 2x(500 + 36x − x2). (a) Find the marginal revenue, in dollars, when x = 14. $ (b) Find the additional revenue, in dollars, when the number of rentals is increased from 14 to 15. $ Correct: Your answer is correct. (c) Compare the results of parts (a) and (b).The revenue R (in dollars) from renting x apartments can be modeled by R = 2x(500...
The number of children (in thousands) receiving social security for each year from 1988-1955 can be...
The number of children (in thousands) receiving social security for each year from 1988-1955 can be modeled using the following polynomial: N(t)=-3.7478t3+50.9441t2-97.3441t+3216.7194 where t is time in years since 1988. Use your graphing calculator to graph the function and sketch the graph of the function below. Include the window that you used on your calculator. What is the y-intercept and what does this tell you in practical terms? How many children on social security does this model predict in the...
(1 point) Suppose P=f(t)P=f(t) is the population (in thousands) of town tt years after 1990, and...
(1 point) Suppose P=f(t)P=f(t) is the population (in thousands) of town tt years after 1990, and that f(4)=14f(4)=14 and f(12)=21f(12)=21, (a) Find a formula for f(t)f(t) assuming ff is exponential: P=f(t)=P=f(t)= (b) Find a formula for f−1(P)=f−1(P)= (c) Evaluate f(30)=f(30)=  (Round your answer to the nearest whole number.) (d) f−1(30)=f−1(30)=  (Round your answer to at least one decimal place.) Write out sentences to explain the practical meaning of your answers to parts (c) and (d). Consider the seven numbered statements in the...
The number of cases of students infected with MRSA on a university campus x days after...
The number of cases of students infected with MRSA on a university campus x days after the first cases occur can be modeled by N(x) = 8500/1+100e-0.15x a) Find the number of infected students after 100 days  b) Find the rate at which the disease is spreading after 100 days. (Round your answer to the nearest integer.)
The number of fish per square kilometer in a lake is determined by the DTDS xt+1=400xt200+0.1xt...
The number of fish per square kilometer in a lake is determined by the DTDS xt+1=400xt200+0.1xt , where t is the time in years since the beginning of the observation. The initial observation is of 2,100 fish per square kilometer. a) How many fish per square kilometer will there be after three years? Give your answer with an accuracy of two decimal places. Answer:       b) Find the updating function f. Answer: f(x)=     c) Find the inverse of the updating function....
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT