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#40 Math help part 2 in Off Topic
SoapSimThat graph is obtained by:

Solve this for v: http://blog.wolfram.com/data/uploads/2012/10/Speed-Equation31.png

Then divide by the speed of sound at that altitude:

http://blog.wolfram.com/data/uploads/2012/10/Speed-Out5.png

You're not going to be able to find the "correct" equation, but the graph somewhat resembles a (negative) quartic graph so you could stick coordinates on the graph into a system of equations to get coefficients. Maybe.

While this method might work. I think he needs to find a way that works for his 12th grade functions class.

Not really feasible for him to submit something like that on a test.

youre right, it has to be simple enough so that i can present in a way that my class can understand it, im going to consult with my teacher and see if i can model it as a combination of functions and if not ill just model it as a cubic function even if its not perfect.

posted about 10 years ago
#27 Math help part 2 in Off Topic
dyzYour question doesn't make sense...

what kind of function?

like...logistic? logarithmic? exponential?

edit: also what's mach

mach number is similar to G in the sense that 1 mach is one time the speed of sound, the speed of sound is around 330 m/s but it can vary based on the air surrounding the place where you are testing for the speed of sound.

and yes you are correct in that i am looking for what TYPE of function it is, thats the hard part, then finding its equation would be easy due to graphing calcs

posted about 10 years ago
#19 Math help part 2 in Off Topic
SoapTry something like this

https://www.youtube.com/watch?v=Mp55wMhgHtM

wont work though, its not that simple.

on top of that even if it did work i would need a concrete point that is not a zero or a y intercept i think.

posted about 10 years ago
#17 Math help part 2 in Off Topic
2cSoapFYI, This is a function.

This is a function because

1) Every x has a corresponding Y

2) Because it passes the vertical line test

Also, this is a polynominal equation. As for finding the equation of the line, you need to find its zeros and work from there. I only know the calculus way, I am not sure how they do it in your class.

I strongly recommend looking at khan-academy for any math questions. It is very comprehensive.

https://www.khanacademy.org/math/algebra/algebra-functions

Take a look here for questions on this topic
SoapFYI, This is a function.

This is a function because

1) Every x has a corresponding Y

2) Because it passes the vertical line test

Also, this is a polynominal equation. As for finding the equation of the line, you need to find its zeros and work from there. I only know the calculus way, I am not sure how they do it in your class.

I strongly recommend looking at khan-academy for any math questions. It is very comprehensive.

https://www.khanacademy.org/math/algebra/algebra-functions

Take a look here for questions on this topic

how would you not know this isnt some kind of funky trigonometric function?

just by looking at it you can see that the waves aren't symmetric and that it cant purely be a trig function. I may be wrong but that is just what im seeing.

posted about 10 years ago
#14 Math help part 2 in Off Topic
SoapFYI, This is a function.

This is a function because

1) Every x has a corresponding Y

2) Because it passes the vertical line test

Also, this is a polynominal equation. As for finding the equation of the line, you need to find its zeros and work from there.

I strongly recommend looking at khan-academy for any math questions. It is very comprehensive.

well, i tried graphing it as a cubic function and it didnt fit. It just doesnt work out as a cubic function, which leads me to believe that it wouldnt work as a degree 4,5,6,7...∞ function. Imo the best and only way to graph this is a multiplication of a line function with an exponential function, however, I do not have the knowledge or ability to do this.

edit: by exponential function i mean exponential regression.

posted about 10 years ago
#12 Math help part 2 in Off Topic
trogyeah, unless you're doing the combining functions unit I'm not sure what that would be. Are you sure you /need/ to find the equation?

yeah thats it, i think its a combination of a line with a exponential function cause im looking through my notes right now and im seeing something similar to it.

2cafik there's isn't a way to just know without more info, but im not sure how to get the exact equation for it.

someone give the gist of what class this stuff is for and how you'd do so as I'm curious

im doing a project on felix baumgartners jump and i need to know the equation of this graph.

posted about 10 years ago
#8 Math help part 2 in Off Topic
trogwhat course is this for?

advanced functions (gr 12 math)

posted about 10 years ago
#6 Math help part 2 in Off Topic
myo i dont think this is a function

if this is not a troll then: Im pretty sure it is

If it is a troll: hah

posted about 10 years ago
#4 Math help part 2 in Off Topic
dingoits a wedding

HAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAHHAHAHAHAHHAHAH

dingoblack tie

ha

posted about 10 years ago
#1 Math help part 2 in Off Topic

If anyone who is proficient in math could help me with this i'd be super grateful. I just need to know what KIND of function this is so that I can find its equation via a graphing calculator.

Thanks

http://blog.wolfram.com/data/uploads/2012/10/Speed-Out19x1.png

posted about 10 years ago
#34 AGDQ 2014 in Off Topic

metroid zero mission

posted about 10 years ago
#5 Comp.tf - Play of the Day in Videos

if you put the assets my way i wouldnt mind helping out making these, i have tons of free time.

posted about 10 years ago
#76 College Apps - Official Thread in Off Topic
dingocan i get into college if i don't have legs

shut up dingo you belong in a mental institution not a university/college.

posted about 10 years ago
#74 College Apps - Official Thread in Off Topic
synchroAlso:patternzI just received my LSAT score from December: 173.http://www.overthinkingit.com/wp-content/uploads/2013/01/suits-mike-ross.jpg

while on this topic:

http://25.media.tumblr.com/tumblr_m6kvapzTEt1qcqvgxo1_1280.jpg

posted about 10 years ago
#73 The Game Plan - TF2! in TF2 General Discussion

you sound like pyyyour

posted about 10 years ago
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