you think u're good at calculus?

[DarkSideAccord]

bringz it

Data in the chart below shows paper shredder sales in recent years, where x is the number of years after 1990 and y is sales in millions. Complete parts from a through d.

x, y
10, 285
11, 297
12, 311
13, 329
14, 357
15, 412


a) Use regression to fit an exponential function y=ab^x to the data. What is the value of a and b?

Now convert the formula y=ab^x to an exponential function, base e, where x is the number of years after 1990. Determine the exponential growth rate, k.

What is the exponential function?

b) estimate the sales of paper shredders in 2012. (answer in $ million)

c) After what amoun of time will sales be $600 million?

d) What is the doubling time for sales of shredders?



mah fobz and i tried doing this for the last 2 hrs and we can't get the first part becos we have no graphing calculator

 

[honda_dude]

damn calculus!!!! i am takin calc right now and i hav a big test coming up on monday!!!

 

[nexTOme]

i have graphing calculator, but dont know which box it is in

plus i dont feel like diggin up my calc notes and try to remember everything again

 

[ccordex00]

I have no idea about calculus....i suck at math

 

[LoveLee]

never took calc sorry roy.

 

[BlkCurrantKord]

I have a graphing calc...but I don't know how to do calc. I stopped at trig, that was enough for me.

 

[hancockd]

I have a graphing calc...but I don't know how to do calc. I stopped at trig, that was enough for me.

Agreed

 

[honda_dude]

does anybody kno wen sinx=0??

 

[likeawp]

sin x = 0 when x = 0 or x = 360 in degrees

I'll take a crack at the topic problem later when I find a graphing calculator xD


math major

 

[honda_dude]

sin x = 0 when x = 0 or x = 360 in degrees

I'll take a crack at the topic problem later when I find a graphing calculator xD


math major

i got it....sinx=0 at 0, pi, 2pi, 3pi...etc