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Mathematics 21 Online
OpenStudy (oleg3321):

need help with a lot of word problems. will get paid.

OpenStudy (anonymous):

how?

OpenStudy (oleg3321):

well i need help with a lot of problems

OpenStudy (oleg3321):

if you can help then ill pay with pay pal or mail cash

OpenStudy (oleg3321):

@paki

OpenStudy (anonymous):

Deal just ask the question already.

OpenStudy (anonymous):

just ask em one at a time

OpenStudy (oleg3321):

ok

OpenStudy (oleg3321):

Bill is able to save $35/week after working part-time and paying his expenses. These two formulas show his weekly savings: f(1) = 35, f(n) = f(1) + f(n-1) for n > 1 f(n) = 35n Which one of these formulas show the sequence written recursively and which shows it written explicitly? Justify your explanations. Use the recursive formula to make a table of values for 1 ≤ n ≤ 5. Show your calculations. Explain what your table means. Use any formula of your choice to find f(40). Explain why you chose that method and what your answer means. Show your calculations. Given the sequence of numbers: 5, 6, 8, 11, 15, 20, 26, 33, 41,… Explain whether or not this sequence can be considered a function.

OpenStudy (oleg3321):

@RosieF

OpenStudy (anonymous):

no i mean like in the question box, but i have my own problems 2 work out. sorry :(

OpenStudy (oleg3321):

will pay but have a lot of questions.

OpenStudy (oleg3321):

@AkashdeepDeb will you help for pay?

OpenStudy (akashdeepdeb):

No, I don't want money. If every question was paid for, there is no point of OpenStudy. Nobody wants money here, everyone is volunteering to answer. So you might as well, take out 'money for answer' part from your question. It is demoralizing the whole system.

OpenStudy (anonymous):

Don't listen to him anyway go to www. khanacademy.org to help you with the first question. For the second question f(1)=35, f(n)=f(1)+f(n-1) for n >1. First make a table n | f(n) ----------- 1 | 35 2 | ? you need to find f(2) the rule says, for n>1 (and here n is 2, so we use it) f(n) = f(1)+ f(n-1) replace n with 2: f(2) = f(1) + f(2-1) or f(2) = f(1)+f(1) from the table, we see f(1) is 35, so you get f(2) = 35+35 f(2) = 70

OpenStudy (oleg3321):

how about the 3 and 4 problem.@dianaeshun

OpenStudy (anonymous):

Your welcome and as soon as I solve the equations, I will post it.

OpenStudy (anonymous):

4. Definitely a function because the numbers go up a strict amount each times. From one number to the next the difference is increasing. For example from 5 to 6 you add one, from 6 to 8 you add two and so on,

OpenStudy (oleg3321):

thank you so much @dianaeshun would you mind to help with some more problems

OpenStudy (anonymous):

Did you figure out f(40)? and also how much money we talking about?

OpenStudy (oleg3321):

well theres a lot of homework so i mean how much you want

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