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Mathematics 7 Online
OpenStudy (chris215):

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OpenStudy (mathmale):

I'd suggest you draw this function on the interval [4,8]. What would the two midpoints be (they are x-values)?

OpenStudy (mathmale):

chris, happy to help you, but if you want my help, please respond to my questions.

OpenStudy (chris215):

sorry openstudy often doesnt load for me

OpenStudy (mathmale):

Sorry too. Is it functioning now?

OpenStudy (mathmale):

I'd suggest you draw this function on the interval [4,8]. What would the two midpoints be (they are x-values)?

OpenStudy (chris215):

24?

OpenStudy (mathmale):

chris, the overall interval is [4,8]. \You need to subdivide that into 2 subintervals. One is [4,6]. What is the other?

OpenStudy (mathmale):

chris, sorry you're having Internet problems. Perhaps you could try later, or connect to OpenStudy from some other computer. I've checked back again and again to see whether you've answered my question, but now need to move on. Perhaps we could meet again later. Good luck.

OpenStudy (chris215):

(4,4) ?

OpenStudy (mathmale):

Try again. That interval has zero length.

OpenStudy (mathmale):

the overall interval is [4,8]. How long is that?

OpenStudy (chris215):

over 4 up 8?

OpenStudy (mathmale):

that interval, [4,8] , is on the x-axis only. It has nothing to with a point ("over 4 up 8"). You are approximating areas under curves. What is the half way point between 4 and 8? ga

OpenStudy (chris215):

ohh (3,1/2) ?

OpenStudy (mathmale):

Chris, [4,8] is an interval, stretching from 4 on the x-axis to 8 on the x-axis. Draw this, please. what is the midpoint of the interval [4,8]? It is not (3, 1/2).

OpenStudy (mathmale):

chris, sorry you're having Internet problems. Perhaps you could try later, or connect to OpenStudy from some other computer. I've checked back again and again to see whether you've answered my question, but now need to move on. Perhaps we could meet again later. Good luck. We have been connected thru OpenStudy for over an hour for this one problem. I cannot devote that much time if there are going to be long delays in receiving your answers.

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