50
1. the population of a town was 5655 in 2010. the population grows at a rate of 1.4% annually.
(a) use the exponential growth model to write an equation that estimates the population t years after
2010.
(a) estimate the population of the town in 2022. show your work.

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

i am not sure :

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