Question

Exponential models (alg 2)

Answer 1

A population of 1 236 000 grows 1.3% per year for 10 years

Answer 2

Write an exponential function to model each situation.

Answer 3

@experimentX @phi

Answer 4

did you learn any formulas?

Answer 5

ab^x

Answer 6

first, change 1.3% to 0.013 (do you know how?)

growing 1.3% per year means b is 1+ 0.013
or 1.013

a in your equation is the starting population.
x should be relabeled t to stand for time. replace t with 10 to get the final equation

Answer 7

1236000(1.013)^10

Answer 8

yes

Answer 9

thank you! i have one more problem with decreasing

Answer 10

A population of 752,000 decreases 1.4% per year for 18 years

Answer 11

same idea, except b is 1 - 0.014

Answer 12

so it's 0.986?

Answer 13

@phi

Answer 14

that is b in your a b^x formula
now fill in the rest of it.

Answer 15

okay got it thank you:)