College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 12CC: Suppose that the initial size of a population is n0 and the population grows exponentially. Let n(t)...
Related questions
Question
1. At time t = 0, 650 bacteria are in a petri dish, and this amount triples every
13 days. How many bacteria are in the dish after 46 days?
2. Ruby, a surveyor and a resident of Santa Lucia observed that the
population in her place doubles every 2.5 years. If there were 329
individuals in 2011, design an exponential model best fits the situation in
predicting the number of individuals in 2035.
3. The half-life of a radioactive substance is 800 years. If the initial amount of
the substance is 250 grams, give an exponential model for the amount
remaining after t years. What amount of substance remains after 1350
years?
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