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liliy
Group Title
concentrationn of salt x is given as funcion of time:
dx/dt= 37.5.35 x
what is the salt concentration after 3 min?
 one year ago
 one year ago
liliy Group Title
concentrationn of salt x is given as funcion of time: dx/dt= 37.5.35 x what is the salt concentration after 3 min?
 one year ago
 one year ago

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e.mccormick Group TitleBest ResponseYou've already chosen the best response.0
So evaluating the derivative at a specific point. What part is it you do not get?
 one year ago

liliy Group TitleBest ResponseYou've already chosen the best response.0
i jsut dont undertand what i need to do
 one year ago

e.mccormick Group TitleBest ResponseYou've already chosen the best response.0
Well, it is the whole momentary aspect of derivatives. They help find a value at a specific point in time. I'll see if I can find a good reference. I got caught up in a matrix qustion at the moment.
 one year ago

e.mccormick Group TitleBest ResponseYou've already chosen the best response.0
Are you going over antiderivatives at this point? Hmm... Normally the derivative is the rate of change at a point, not what something is at that point. So I am wondering if you need to integrate this first.
 one year ago

e.mccormick Group TitleBest ResponseYou've already chosen the best response.0
This is either really simple, you need to put 3 in for x and solve, or slightly less simple you need to integrate it and put in 3. It all depends on where you are in studying math. Sort of gives a context for the problem.
 one year ago
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