##### answer 2 word problems based on population growth

 Calculus Tutor: None Selected Time limit: 1 Day

Jul 10th, 2015

population growth refers to increase in the number of people within a given time

Jul 10th, 2015

Jul 10th, 2015

where is the question

Jul 10th, 2015

in the picture

Jul 10th, 2015

i have gotten it ...i am doing it

Jul 10th, 2015

i am doing it now

Jul 10th, 2015

Jul 10th, 2015

am almost done

Jul 10th, 2015

a) 70

b)16.10 billion

am doing part 2.....please confirm and notify me if there is any issue.

Jul 10th, 2015

it is saying part b is wrong

Jul 10th, 2015
f(t) = Ae^(kt)

A = 660 000

f(2) = 220 000 = 500000 * e(2k)

0.4 = e^(2k)
ln(0.4) = 2k

k = ln(0.4) / 2
k = -0.47

f(t) = 500000 * e(-0.465779 t)

f(2+3) = f(5) = 660000 * e(-2.3288955)

= 62486

Jul 10th, 2015

have you checked all of them......please notify me if there is any issue, am ready to assist you, thanks a lot

Jul 10th, 2015

can you please clarify what the answer for question 3 is, 62486 is not correct...also do you have a more accuarate answer for question 2b

Jul 10th, 2015

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Jul 10th, 2015
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Jul 10th, 2015
May 25th, 2017
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