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Mathematics 22 Online
OpenStudy (anonymous):

help please

OpenStudy (anonymous):

W is a neighborhood basis of a point x \[ \in\] X if these holds except one.

OpenStudy (anonymous):

option A) ∀w\[\in \]W,w\[\in \]N(x)

OpenStudy (zzr0ck3r):

what is N(x)?

OpenStudy (anonymous):

option B) its an open set containing x

OpenStudy (zzr0ck3r):

that makes no sense....

OpenStudy (anonymous):

or neighborhood of x

OpenStudy (zzr0ck3r):

so for all w in W we have that w is ALL N(x)? or just some N(x)?/??????

OpenStudy (anonymous):

it is an option. allow me post the remaining . this one might be the odd one

OpenStudy (zzr0ck3r):

lol ok man

OpenStudy (zzr0ck3r):

they are not giving you options that do not make mathematical sense...

OpenStudy (anonymous):

ok you win. can we go to other questions because it seems i can't correct that

OpenStudy (anonymous):

please

OpenStudy (zzr0ck3r):

you can do what you want man

OpenStudy (anonymous):

If xϵA¯ , then there exists a sequence (xn) of A such that xn→x is only true if X is a(an)

OpenStudy (anonymous):

options are Countable Metrizable Hausdorff Separation

OpenStudy (anonymous):

i think B

OpenStudy (anonymous):

x element of a closed set A

OpenStudy (zzr0ck3r):

what would converge mean without a metric?

OpenStudy (anonymous):

i do not know

OpenStudy (anonymous):

OpenStudy (anonymous):

sorry my bad .

OpenStudy (zzr0ck3r):

If you do not answer this question I will no longer help you. Why are you copying them from some other source and then pasting them into word?

OpenStudy (anonymous):

sir, the source is my school learning portal and you can't log in without my password and id

OpenStudy (zzr0ck3r):

but you can take a screen shot.

OpenStudy (anonymous):

but i swear, thats how it is on my portal

OpenStudy (zzr0ck3r):

Are you using explorer?

OpenStudy (anonymous):

its all same in all browsers

OpenStudy (zzr0ck3r):

give me a screen shot of the portal with the question up. Not copied to word.

OpenStudy (anonymous):

OpenStudy (anonymous):

@zzr0ck3r

OpenStudy (zzr0ck3r):

what is the school portal called? I want to figure out why it is not displaying correctly

OpenStudy (zzr0ck3r):

You tried chrome?

OpenStudy (anonymous):

yes . its what i am even using now

OpenStudy (anonymous):

its tma.nou.edu.ng

OpenStudy (zzr0ck3r):

I got to bring my wife to the airport. Ill be back in an hour. You are correct about metrizable option B

OpenStudy (anonymous):

thanks and its 1 am here. please, should i wait till you return ?

OpenStudy (anonymous):

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