(1 point) A bacteria culture starts with 240 bacteria and grows at a rate proportional to its size. After 5 hours there will be 1200 bacteria. (a) Express the population after t hours as a function of t. population: (function of t) (b) What will be th
(1 point) A bacteria culture starts with bacteria and grows at a rate proportional to its size. After hours there will be bacteria.
(a) Express the population after hours as a function of .
population: (function of t)
(b) What will be the population after hours?
(c) How long will it take for the population to reach ?
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(1 point) A bacteria culture starts with 240 bacteria and grows at a rate proportional to its size. After 5 hours there will be 1200 bacteria. (a) Express the population after t hours as a function of t. population: (function of t) (b) What will be th
Previous Problem List Next (1 point) A bacteria culture starts with 160 bacteria and grows at...
Previous Problem List Next (1 point) A bacteria culture starts with 160 bacteria and grows at a rate proportional to its size. After 5 hours there will be 800 bacteria. (a) Express the population after I hours as a function of t. population: (function of t) (b) What will be the population after 9 hours? (c) How long will it take for the population to reach 1590 ? Note: You can earn partial credit on this problem.
6. A bacteria culture grows at a rate proportional to its size. The initial population of...
6. A bacteria culture grows at a rate proportional to its size. The initial population of the bacteria culture is 300 cells, and after 3 hours the population increases to 2400. (a) Find an expression for the number of bacteria after t hours. (b) When will the population reach 20000?
A bacteria culture starts with 260 bacteria and grows at an exponential rate. After 3 hours...
A bacteria culture starts with 260 bacteria and grows at an exponential rate. After 3 hours there will be 780 bacteria. Give your answer accurate to at least 4 decimal places. (a) Express the population after thours as a function of t. P(t)- Preview (b) What will be the population after 7 hours? Preview bacteria ( How long will it take for the population to reach 28707 Preview hours Determine an algebraic expression for the function graphed below. Write your...
Please solve a) to c) correctly
A bacteria culture starts with bacteria and grows at a rate proportional to its size. After hours there will be bacteria.(a) Express the population after hours as a function of .population:__________________________ (function of t)(b) What will be the population after hours?(c) How long will it take for the population to reach ?
(1 point) A culture of yeast grows at a rate proportional to its size. If the initial population is 8000 cells and it doubles after 3 hours, answer the following questions. 1. Write an expression for the number of yeast cells after t hours. Answer: P(t)=
(1 point) A culture of yeast grows at a rate proportional to its size. If the initial population is 80008000 cells and it doubles after 33 hours, answer the following questions.1. Write an expression for the number of yeast cells after tt hours.Answer: P(t)=P(t)= 2. Find the number of yeast cells after 77 hours.Answer: 3. Find the rate at which the population of yeast cells is increasing at 77 hours.Answer (in cells per hour):
3. The population of bacteria in a culture decreases at a rate proportional to the number...
3. The population of bacteria in a culture decreases at a rate proportional to the number of bacteria present at any time t. The initial population is 500 and the population decreases 10% in 1 hour. Determine the half-life of the population of bacteria. How long does it take for the population to be 10? (8 marks ).
how to do this question with correct answers (3 points) A bacteria culture initially contains 200...
how to do this question with correct answers
(3 points) A bacteria culture initially contains 200 cells and grows at a rate proportional to its size. After an hour the population has increased to 500 Find an expression for the number Pt) of bacteria after t hours. P(t) = 200e"(In(5/2jt) Find the number of bacteria after 2 hours. Answer: 1250 Find the rate of growth after 2 hours. Answer: In(5/2) When will the population reach 20000? Answer (In(100)/(In(5/2))
This exercise uses the population growth model. A culture starts with 8700 bacteria. After 1 hour the count is 10,000.
This exercise uses the population growth model. A culture starts with 8700 bacteria. After 1 hour the count is 10,000. (a) Find a function that models the number of bacteria n(t) after thours. (b) Find the number of bacteria after 2 hours. (c) After how many hours will the number of bacteria double?
This exercise uses the population growth model. A culture starts with 8100 bacteria. After 1 hour...
This exercise uses the population growth model. A culture starts with 8100 bacteria. After 1 hour the count is 10,000. (a) Find a function that models the number of bacteria n(t) after t hours. (Round your r value to three decimal places.) n(t) = (b) Find the number of bacteria after 2 hours. (Round your answer to the nearest hundred.) bacteria (C) After how many hours will the number of bacteria double? (Round your answer to one decimal place.) hr
This exercise uses the population growth model. The count in a culture of bacteria was 400...
This exercise uses the population growth model. The count in a culture of bacteria was 400 after 2 hours and 25,600 after 6 hours. (a) What is the relative rate of growth of the bacteria population? Express your answer as a percentage. (Round your answer to the nearest whole number.) 104 % (b) What was the initial size of the culture? (Round your answer to the nearest whole number.) 200 x bacteria (c) Find a function that models the number...
Previous Problem List Next (1 point) A bacteria culture starts with 160 bacteria and grows at a rate proportional to its size. After 5 hours there will be 800 bacteria. (a) Express the population after I hours as a function of t. population: (function of t) (b) What will be the population after 9 hours? (c) How long will it take for the population to reach 1590 ? Note: You can earn partial credit on this problem.
6. A bacteria culture grows at a rate proportional to its size. The initial population of the bacteria culture is 300 cells, and after 3 hours the population increases to 2400. (a) Find an expression for the number of bacteria after t hours. (b) When will the population reach 20000?
A bacteria culture starts with 260 bacteria and grows at an exponential rate. After 3 hours there will be 780 bacteria. Give your answer accurate to at least 4 decimal places. (a) Express the population after thours as a function of t. P(t)- Preview (b) What will be the population after 7 hours? Preview bacteria ( How long will it take for the population to reach 28707 Preview hours Determine an algebraic expression for the function graphed below. Write your...
A bacteria culture starts with bacteria and grows at a rate proportional to its size. After hours there will be bacteria.(a) Express the population after hours as a function of .population:__________________________ (function of t)(b) What will be the population after hours?(c) How long will it take for the population to reach ?
3. The population of bacteria in a culture decreases at a rate proportional to the number of bacteria present at any time t. The initial population is 500 and the population decreases 10% in 1 hour. Determine the half-life of the population of bacteria. How long does it take for the population to be 10? (8 marks ).
how to do this question with correct answers
(3 points) A bacteria culture initially contains 200 cells and grows at a rate proportional to its size. After an hour the population has increased to 500 Find an expression for the number Pt) of bacteria after t hours. P(t) = 200e"(In(5/2jt) Find the number of bacteria after 2 hours. Answer: 1250 Find the rate of growth after 2 hours. Answer: In(5/2) When will the population reach 20000? Answer (In(100)/(In(5/2))
This exercise uses the population growth model. A culture starts with 8100 bacteria. After 1 hour the count is 10,000. (a) Find a function that models the number of bacteria n(t) after t hours. (Round your r value to three decimal places.) n(t) = (b) Find the number of bacteria after 2 hours. (Round your answer to the nearest hundred.) bacteria (C) After how many hours will the number of bacteria double? (Round your answer to one decimal place.) hr
This exercise uses the population growth model. The count in a culture of bacteria was 400 after 2 hours and 25,600 after 6 hours. (a) What is the relative rate of growth of the bacteria population? Express your answer as a percentage. (Round your answer to the nearest whole number.) 104 % (b) What was the initial size of the culture? (Round your answer to the nearest whole number.) 200 x bacteria (c) Find a function that models the number...
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