anonymous
  • anonymous
Help lol (I have no idea on how to do this) The sequence a(letter n under the a) = 1000(1.03)^n describes the amount of money in an interest-earning account where n is the number of years passed after the account is open opened. A. $11940.5 B. $1125.51 C. $1159.27 D. $1229.87
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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nikato
  • nikato
do you have more to the question?
anonymous
  • anonymous
sadly no that's all there is to that
anonymous
  • anonymous
Do I find n?

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More answers

nikato
  • nikato
oh. is this not a multiple choice question? does this question just have 4 parts?
anonymous
  • anonymous
well it is a multi choice, but this question is very confusing lol
nikato
  • nikato
i dont think you can find any amount unless you are given n, or the year the account is open
anonymous
  • anonymous
omg xD soo confusing ok can we do another one?
nikato
  • nikato
yea. i think we dont have enough info to solve. what's your other problem?
anonymous
  • anonymous
ok thanks and here ya go: What is the domain of the sequence? 2, 10, 50, 250, 1250 A: 2, 10, 250, 1250 <--- (I think this one but I'm just just used to range and domain on coordinates) B: 2, 3, 4, 5, 6 C: 2, 10, 50, 1250 D: 1, 2, 3, 4, 5
anonymous
  • anonymous
oops c is 2, 8, 40, 200, 1000
nikato
  • nikato
no. domain of sequence are counting numbers: 1,2,3,4,5,... all the other choices are range of sequence, or the terms
anonymous
  • anonymous
so D?
anonymous
  • anonymous
ok, how about another one?
nikato
  • nikato
yup. and sure
anonymous
  • anonymous
Write the first five terms of the sentence. \[a _{n} = (-2)^{2}\]
nikato
  • nikato
is your question correct?
anonymous
  • anonymous
https://k12va.aplusanywhere.com/R85Statics/media/pictures/algebra%20ia/4.3.3/test/05/1419028113353/1366x768/1419028113353.png
anonymous
  • anonymous
oops I put 2 not n sorry
nikato
  • nikato
ok. much better. to find first term. plug in 1 into n. to find 2nd, plug in 2 to n to find 3rd, plug in 3 into n. and keep going until 5
anonymous
  • anonymous
oh wow easier than I Thought lol thanks! :D one more?
nikato
  • nikato
sure
anonymous
  • anonymous
Which recursive rule describes the sequence? 3, 1, 5, -3, 13, ... A: \[a _{1} = 3, a _{n} = -2a_{n-1} +7\] B: \[a _{1} = 3, a _{n} = 7a_{n-1} +2\] C: \[a _{1} = -2, a _{n} = 3a_{n-1} +7\] D: \[a _{1} = -2, a _{n} = 7a_{n-1} +3\]
nikato
  • nikato
well you can eliminate C and D because the first term is 3 so a1=3
nikato
  • nikato
then i recommend plugging into the equation and see which one fits lets try the first one |dw:1433740675835:dw| and look, its the second term in your sequence so this is probably your asnwer
anonymous
  • anonymous
oooh I always thought it was more than just plugging in things and thank you!
nikato
  • nikato
no problem. sometimes with multiple choice, its faster by just plugging in
anonymous
  • anonymous
soo true, can't believe it's this easy! lol
nikato
  • nikato
yup. most of your questions was just plugging in stuff. good luck on it!

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