Question

The population of New Haven was 148,220 in 2005. Since then the population has been decreasing at an annual rate of 2.9%. If this rate on decline continues, what will the population be in the year 2015?

Y=a*b^x where a is the starting amount; b is the decay rate (decreasing subtract from 1); x is time.

Answer 1

@sleepyjess

Answer 2

\(\sf Y=a*b^x\)
a = 148,220
b = .029
x = 10

Answer 3

Thank you so much!! Could you help me with another one?? :) @sleepyjess

Answer 4

Yep :)

Answer 5

Suppose the population of deer in a region was 3500 in the year 2000. Since then the population has grown by annually. What will the approximate population be in the year 2020?
Y=a*b^x where a is starting amount; b is the growth rate (increasing add to 1); x is the time.
@sleepyjess

Answer 6

Has grown by what annually?

Answer 7

I know that a = 2500 and x = 20

Answer 8

WAIT! On the first one, the decay rate should be subtracted from 1, so b = .971

Answer 9

Haha okay. And I dont know what grows annually or whatever. :/ That is the question im stuck on :(

Answer 10

It doesn't give a value?

Answer 11

What I posted is what is on the paper.

Answer 12

hmmmm

Answer 13

I will try to take a picture and post it. One sec.

Answer 14

ok, I have to go for about 25-30 minutes, but while I'm gone @AnswerMyQuestions or @paki may be able to help.

Answer 15

Here is the question. Please excuse my bad handwriting hah.

Answer 16

Not bad compared to mine... >.>

Answer 17

Haha well could you help me with the question? Pleasee

Answer 18

@answermyquestions

Answer 19

I am not sure. ;C

Answer 20

Man :((

Answer 21

@paki could you help me?

Answer 22

He's offline. :(

Answer 23

@Directrix or @Nurali might help you.

Answer 24

Aww :'(

Answer 25

I sure hope so