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Mathematics 7 Online
OpenStudy (anonymous):

question

OpenStudy (anonymous):

http://gyazo.com/2df18f703e49fad852a08aaae54b6df1

OpenStudy (anonymous):

how do i start?

OpenStudy (unklerhaukus):

concider some extream functions with an absolute minimum and an absolute maximum

OpenStudy (unklerhaukus):

|dw:1378649473992:dw|

OpenStudy (unklerhaukus):

|dw:1378649524611:dw|

OpenStudy (unklerhaukus):

its \[f(x)=\begin{cases}M&x\neq1.9\\ m&x=1.9\end{cases}\]

OpenStudy (unklerhaukus):

if you integrate this the area under the curve will be the same as f(x)=M

OpenStudy (anonymous):

integrate \(f(x)\)?

OpenStudy (unklerhaukus):

what do you get if f(x)=M ?

OpenStudy (unklerhaukus):

\[∫_0^2f(x)dx=∫_0^2Mdx=M∫_0^2dx\]

OpenStudy (anonymous):

do i integrate the third one?

OpenStudy (unklerhaukus):

yes

OpenStudy (anonymous):

i get 2m

OpenStudy (unklerhaukus):

you mean 2M?

OpenStudy (anonymous):

yeah

OpenStudy (unklerhaukus):

well that is the most extreme function i can think of that integrates to give the biggest possible value. Can you think of an extreme function with an absolute minimum m and an absolute maximum M, that will give the smallest possible area?

OpenStudy (anonymous):

hm..thats the answer? nope.. i dont even understand the question..

OpenStudy (unklerhaukus):

there is propably a better way to solve this question, this was all i could think of

OpenStudy (anonymous):

ok, thanks

OpenStudy (unklerhaukus):

@thomaster

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