Does anyone watch the show you?

Establish which of the following statements are true. (a) a sequence is convergent if and only if all of its subsequences are convergent. (b) a sequence is bounded if and only if all of its subsequences are bounded. (c) a sequence is monotonic if and only if all of its subsequences are monotonic.

In my email i got a message it says a quick message and in message details on who its from its says nicole and under nicole is [email protected] -

What is a point-in-time measurement of system performance?