Calculus (math)

posted by Help me plz!

A bacteria culture grows with constant relative growth rate. The bacteria count was 784 after 2 hours and 117649 after 6 hours.

What is the relative growth rate?

What was the initial size of the culture?

Find an expression for the number of bacteria after t hours.

Find the number of cells after 3 hours.

When will the population reach 1000000?

  1. Ms. Sue

    You must be having an identity crisis! You've posted 5 calculus questions under 5 different names. Please use only one name for your posts.

    Homework Posting Tips

    Please show your work. Tutors will not do your homework for you. Please show your work for any question that you are posting.

Respond to this Question

First Name

Your Answer

Similar Questions

  1. math

    A bacteria culture starts with 260 bacteria and grows at a rate proportional to its size. After 4 hours there will be 1040 bacteria. (a) Express the population after t hours as a function of t. this is what i put as my answer but i …
  2. Calc

    The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours. a) Find the initial population. b) Write an exponential …
  3. MATH :)

    3. In Biology, it is found that the bacteria in a certain culture double every half-hour. If the initial number of bacteria in culture is 1000, A. Find the defining equation for the number N of bacteria in culture after T hours, assuming …
  4. Calculus :)

    The number of bacteria in a culture is modeled by n(t)=1550e^(0.24t) (a) The initial number of bacteria is _____ (b) The relative rate of growth of this bacterium population is _____ (c) The number of bacteria after 3 hours is _____ …
  5. math

    The number of bacteria in a culture is modeled by n(t)=1710e071t (a) The initial number of bacteria is (b) The relative rate of growth of this bacterium population is (c) The number of bacteria after 3 hours is (d) After how many hours …
  6. Math

    he number of bacteria in a culture is modeled by n(t)=1710e071t (a) The initial number of bacteria is (b) The relative rate of growth of this bacterium population is (c) The number of bacteria after 3 hours is (d) After how many hours …
  7. math

    The number of bacteria in a culture is modeled by: n(t) = 1330e^(0.42t) (a) The initial number of bacteria is: (b) The relative rate of growth of this bacterium population is: (c) The number of bacteria after 3 hours is: (d) After …
  8. CALCULUS

    a bacteria culture grows with a constant per capita growth rate. After 2 hours there are 500 bacteria and after 6 hours the count is 312500, find the initial population and the population after 8 hours
  9. maths --plse help me..

    A bacteria culture has an initial population of 600. After 4 hours the population has grown to 1200. Assuming the culture grows at a rate proportional to the size of the population, find the function representing the population size …
  10. Urgent math

    population growth model. Can anybody please help me out in trying to solve this problem?

More Similar Questions