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Mathematics 35 Online
OpenStudy (anonymous):

he temperature, H; in degrees Celsius, of a cup of co ffee placed on the kitchen counter is given by H = f(t); where t is in minutes since the co ee was put on the counter. (a) Is f'(t) positive or negative? Give a reason for your answer. (b) What are the units of f'(20)? What is its practical meaning in terms of the temperature of the co ffee?

OpenStudy (nottim):

A) I dunno. Is it hot coffee? b) Ooooh. This advd functions?

OpenStudy (anonymous):

Thanks for that

OpenStudy (anonymous):

this is derivatives

OpenStudy (nottim):

ok. what's the ' mark mean? I'm a forgetter.

OpenStudy (anonymous):

it is for the derivative

OpenStudy (nottim):

uh o. i dunno.

OpenStudy (anonymous):

if you know anyone who would send them my way :)

OpenStudy (nottim):

i use ta do this stuff tho. im a dumb dum i guess

OpenStudy (nottim):

I'll just repost this question periodically in hopes that the OS regulars come.

OpenStudy (anonymous):

Thanks please do!!!

OpenStudy (anonymous):

hey, seems you can't get a lot of help, and i don't know the answer either, but maybe this helps: http://answers.yahoo.com/question/index?qid=20110228082343AAAlwOJ

OpenStudy (anonymous):

OMG Thanks I of course got so bogged down didn't even think o check all mighty google

OpenStudy (nottim):

lol

OpenStudy (anonymous):

happy to be at least useful that way then ;)

OpenStudy (anonymous):

:)

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