Answer:
a. x^<i>(j)
Explanation:
The solution has been explained in the question; however, I will provide further explanation.
The sequence to access a word is:
Training example --> Word
In other words, you first access the training example, before you gain access to the word being searched for.
Rewrite the following:
Training example --> Word
as:
ith training example --> jth word
Hence, the representation is:

Answer: Information
Explanation: Information flows consist of data related to demand, shipments, orders, returns, and schedules, as well as changes in any of these data.
As it is a remote login to a 'server'; then TS for Administration