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Discussion Starter #1
35=24.0(1.014)^t

where P (in this case 35) is in millions.

I forgot how to slove exponents. Show me how please.
 
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Discussion Starter #4
kant_think said:
Now I need a ****ing advil. Thanks
heh, you should see what the rest of the stuff im doing looks like..

f(x)= lim as h approaches zero [(6(x+h)-(x+h)^2)-(6x-x^2)]/[(x+h)-x]
 
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Discussion Starter #8
I decided to do this insted of doing my homework

f(x)=ax-x^2

f(x)= lim as h approaches zero [(a(x+h)-(x+h)^2)-(ax-x^2)]/[(x+h)-x]
f(x)= lim as h approaches zero [(a(x+h)-(x^2+2xh+h^2))-(ax-x^2)]/h
f(x)= lim as h approaches zero (ax+ah-x^2-2xh-h^2-ax+x^2)/h
f(x)= lim as h approaches zero (ah-2xh-h^2)/h
f(x)= lim as h approaches zero (h(a-2x-h))/h
f(x)= lim as h approaches zero a-2x-h

as h approaches zero, (a-2x-h) --> (a-2x-(0))=a-2x
so lim as h approaches zero (a-2x-h)=a-2x
that is f'(x)=a-2x

therefore the derivative of f(x)=ax-x^2 is f'(x)=a-2x



yup...
 

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D_Smalls said:
I decided to do this insted of doing my homework

f(x)=ax-x^2

f(x)= lim as h approaches zero [(a(x+h)-(x+h)^2)-(ax-x^2)]/[(x+h)-x]
f(x)= lim as h approaches zero [(a(x+h)-(x^2+2xh+h^2))-(ax-x^2)]/h
f(x)= lim as h approaches zero (ax+ah-x^2-2xh-h^2-ax+x^2)/h
f(x)= lim as h approaches zero (ah-2xh-h^2)/h
f(x)= lim as h approaches zero (h(a-2x-h))/h
f(x)= lim as h approaches zero a-2x-h

as h approaches zero, (a-2x-h) --> (a-2x-(0))=a-2x
so lim as h approaches zero (a-2x-h)=a-2x
that is f'(x)=a-2x

therefore the derivative of f(x)=ax-x^2 is f'(x)=a-2x



yup...
Wow, mabey I should just take the liquid outta 10 advils and mainline it?
 
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Discussion Starter #13
MrMacDude said:
by the way, you just took the derivitave of f(x). You could have done it in one step.
yup. It's SO stupid.. we all know that there is the much much much easier way to do it, but we have to do it like that for now, to make sure everyone understands it.. gah its dumb
 
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Discussion Starter #15
MacDude gets all the e-head.. I'll give it too em tomorrow though.
 

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King of the Fuster Cluck
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now you made all the little kids brain hurt..........i dropped my college stats class this week so i dont even wanna think abou math right now or id help ya
 

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add this to the list of stuff 99.99999% of us wont use in life unless we become pre calc teachers
 
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