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 3 years ago
Look at interval [0,8] of graph from the following link:
http://www.flickr.com/photos/57417292@N03/6335164067/
1. For what values of x does the function have a local maximum on (0,8)
2. Local minimum
3. absolute maximum. I think it's none.
4. absolute minimum. I think it's 5
 3 years ago
Look at interval [0,8] of graph from the following link: http://www.flickr.com/photos/57417292@N03/6335164067/ 1. For what values of x does the function have a local maximum on (0,8) 2. Local minimum 3. absolute maximum. I think it's none. 4. absolute minimum. I think it's 5

This Question is Closed

moneybird
 3 years ago
Best ResponseYou've already chosen the best response.3Here's the link: http://www.flickr.com/photos/57417292@N03/6335164067/ Copy and paste it

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1for 3 and 4 you are correct

moneybird
 3 years ago
Best ResponseYou've already chosen the best response.3I tried, but it says at least one of the answers is not correct.

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1perhaps the local maximum is only at x=3 because (0,8) implies 8 is not included in the interval (it would be if it were written [0,8]) do you have a limited number of chances to try?

moneybird
 3 years ago
Best ResponseYou've already chosen the best response.3It's unlimited tries. It's still incorrect.

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1I'm sure 3 and 4 are correct, and that x=3 is a local maximum, so what tricks are we missing?

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1This is giving me a headache. They are pulling some trick with the discontinuities and endpoints. I guess I'll have to get back to you. In the meantime just try whatever you can think of since you have unlimited chances, and let me know if you get it.

moneybird
 3 years ago
Best ResponseYou've already chosen the best response.3ok I will try my best.

moneybird
 3 years ago
Best ResponseYou've already chosen the best response.3Thank you for trying :)

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1Local Max at (3,4). Local min (2,2). Absolute min (5,0) No Absolute Max

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1oh so our only mistake was calling x=5 a local min. I guess I forgot it can't be both absolute and global. thanks for the refresher:)

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1oh, I confused you with mertsj because you have the same picture, so I thought you had figured it out. nevermind...

JamesJ
 3 years ago
Best ResponseYou've already chosen the best response.01. For what values of x does the function have a local maximum on (0,8) This is obviously (3,4). If 8 were in the intervali.e., the interval were (0,8], I'd say there is one at x = 8 as well, but it's not. 2. Local minimum (2,2) and (5,0) 3. absolute maximum. I think it's none. Yes I agree, because the function on the interval never attains a value greater than or equal to 4. absolute minimum. I think it's 5 Yes, because the value y = 0 which is less than or equal to every other value of f(x) on the interval (0,8) is attained at x = 5.

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.11. x=3 2. x=2, x=5 3. none 4. x=5 Those are the answers I gave as well once I noticed that x=8 was not in the interval (you can read above to see that I eventually realized that) and still you can see the the questioner said this was wrong. I guess either he typed it incorrectly, or the internet site he is working on is faulty. I have found that happening all too frequently.

JamesJ
 3 years ago
Best ResponseYou've already chosen the best response.0yes, I didn't try to figure out exactly who had said what to whom, but I feel very confident with my answer. So either his class is using a nonstandard definition, or there's something wrong with the software.

moneybird
 3 years ago
Best ResponseYou've already chosen the best response.3I figured out 1. 3 2. 2, 5 3. none 4. 0 I just realized that for number 4, it is asking for the yvalue

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1bah! how lame, we had it all along!
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