chris215
  • chris215
-
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
ok so do you under stand any of the qustion i do thats why i am asking please for give my spelling ok
chris215
  • chris215
my first thought was that i plug in and solve for x = 100 to x = 102 but im not sure if you could explain this to me that would be great
anonymous
  • anonymous
ok so its just tring to make it confusing but i can help all it wants is what is x = dose that mak senes tell me what you think the answer is and i will tell you if your wit ok

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anonymous
  • anonymous
do you understand
chris215
  • chris215
i plugged in 100 for x and got 9600
chris215
  • chris215
then i pluged in 102 and git 10004 idk i feel like thats wrong
anonymous
  • anonymous
yes it is it soo funy i looked at it and was like thats wrong i go whith 9600
chris215
  • chris215
so what i did was right for part a ? now do i subtract 10404-9600 to get the rate of change
anonymous
  • anonymous
its nice to meet you btw are you new i am and yes that exacly what you do
chris215
  • chris215
ok thanks and u too im not new though
superdavesuper
  • superdavesuper
hint: average rate of change of C with respect to x = [C(x1)-C(x2)] / (x1 - x2)
anonymous
  • anonymous
oh iam just getting used to open study i thout you press enter to post but no it hast to be diffent lol
anonymous
  • anonymous
if you no the answer superdavver just give it to here no need to be rude
superdavesuper
  • superdavesuper
@chris215 so u are missing one step in ur calculation of the average rate of change after the subtraction...
chris215
  • chris215
thanks @superdavesuper i got 202
anonymous
  • anonymous
did you band my brother login
anonymous
  • anonymous
and your whit you when the laterey
superdavesuper
  • superdavesuper
@chris215 oh wait - plz redo ur C(102) calculation...
superdavesuper
  • superdavesuper
nvd 202 IS the right ans thou @chris215 :)
chris215
  • chris215
oh ok thanks :) i dont really understand part b though
superdavesuper
  • superdavesuper
btw part a ans should be 202 dollars per unit. Part b is asking for instantaneous rate of change. So u will need to differenitate C(x) by x. U know how to do that?
chris215
  • chris215
I dont @superdavesuper
anonymous
  • anonymous
do you steel need help
chris215
  • chris215
yes lolll
anonymous
  • anonymous
OK what is your quotation i would of answered the anther one but my concretion Brok down
chris215
  • chris215
is the derivative 2x then i do 2(100) = 200?
anonymous
  • anonymous
your whit so whats the problem did somone tell you your wrong or is that not the anser and thank you for being nice to me
anonymous
  • anonymous
are you stell there
chris215
  • chris215
yeah no i just wanted to make sure i got it right thanks so much for your help!
anonymous
  • anonymous
yep np can you give me a faver
chris215
  • chris215
yeah?
anonymous
  • anonymous
when you hit 10 medals can you give me one please alot of peple tell me that they will but they dont and can you help me tomwoo on my math test please
anonymous
  • anonymous
and what grade or you in
anonymous
  • anonymous
are you there
anonymous
  • anonymous
did you leave
superdavesuper
  • superdavesuper
@chris215 dC/dx = 2x so u got it :) dont forget to add units to ur ans thou!
anonymous
  • anonymous
ya what do you think it is

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