Questions by Riiich

Questions by Riiich

Proposition 2.30. Suppose X and Y are topological spaces, and f : X → Y is any map. (a) f is continuous if and only if f (A c f(A) for all ASX. (b) f is closed if and only if f (A) 2 f(A) for all A CX.

asked Sep 5, 2020

1 answer

3 votes

85.2k views

15.41 rounded to the nearest hundred

asked Feb 27, 2020

2 answers

2 votes

126k views

Dimensional formula of elasticity

asked Feb 3, 2020

1 answer

5 votes

64.0k views

If it takes 12 people 3 days to build 72 meters of fence, how many meters of fence can 15 people build in one day?

asked May 12, 2019

1 answer

5 votes

139k views

Page:

Search QAmmunity.org