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Mathematics 24 Online
OpenStudy (anonymous):

Okay last question Part 1: Create a scenario for an arithmetic sequence. For example, Jasmine practices the piano for ______ minutes on Monday. Every day she ___________ her practice time by _________. If she continues this pattern, how many minutes will she practice on the 7th day? Be sure to fill in the blanks with the words that will create an arithmetic sequence. Use your scenario to write the function for the 7th term in your sequence using sequence notation. Part 2: Create a scenario for a geometric sequence.

OpenStudy (anonymous):

@perl sorry for taking up so much of your time but thanks so much!!

OpenStudy (anonymous):

thats just an example i have to make up my own for both

OpenStudy (anonymous):

and i think i got one can you tell me if it works?

OpenStudy (perl):

so whats a good amount of time to start with, you pick

OpenStudy (perl):

sure

OpenStudy (anonymous):

45 minutes to start on monday then increase by 5 every day. for the arithmetic one

OpenStudy (anonymous):

it wouldnt let me type the whole story thing

OpenStudy (perl):

ok

OpenStudy (anonymous):

so now what @perl for the geometric thing

OpenStudy (perl):

an example of a geometric sequence would be double the time she practices each day

OpenStudy (anonymous):

so nvm i can use that story up there for both but i have to fill in the blanks so it will make it a arthimetic sequence and a geometric sequence and then make a formula for the 7th day of the arthmetic and then the 5th day of the geometric

OpenStudy (anonymous):

@perl how would i make the function for the 5th day if i started with 90 mintues and its doubling every day so f(x)=90(?)^x

OpenStudy (perl):

you can do f(x) = 90 * 2^x

OpenStudy (perl):

but i would start with less minutes, because it will increase very fast

OpenStudy (anonymous):

okay ill start with 15 minutes

OpenStudy (anonymous):

okay now im on the last part can you help me?

OpenStudy (anonymous):

it say use part 2 to write a question that leads to using the geomrtic sequence use the formula to solve for |dw:1418416672692:dw|in your scenario

OpenStudy (perl):

s(n) = 15 *2^n ,

OpenStudy (perl):

I think that works, I have to go, i will be back later

OpenStudy (perl):

what does sn stand for?

OpenStudy (anonymous):

but i have to write a question

OpenStudy (anonymous):

idk and its s and the n is almost below the s

OpenStudy (perl):

is there a way you can upload the directions so i can see it

OpenStudy (perl):

take a picture

OpenStudy (anonymous):

idk how

OpenStudy (anonymous):

|dw:1418417000325:dw| its like that

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