SOLUTION: A population of birds quadruples every 35 weeks. A. Write a model for the number of birds in this population after x weeks. B. Within 8 weeks, there were 300 birds. How many bi

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: A population of birds quadruples every 35 weeks. A. Write a model for the number of birds in this population after x weeks. B. Within 8 weeks, there were 300 birds. How many bi      Log On


   



Question 1060027: A population of birds quadruples every 35 weeks.
A. Write a model for the number of birds in this population after x weeks.
B. Within 8 weeks, there were 300 birds. How many birds were initially present?

Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
A. P(1)=P(0)(4)^x/35 where x equals the number of weeks since the first measurement was taken.
B. 300=x *(4)^8/35
300/4^8/35=x
x=218.53 birds. ☺☺☺☺