Answer:
Option D.
Explanation:
The demand function for good X is
where, 
is price of good X, 
is price of good Y and M is income.
It is given that the price of good X is $1, the price of good Y is $10, and income is $100.
Substitute 
, 
and M = 100 in the given function.
None of the statements associated with this question are correct.
Therefore, the correct option is D.
Answer:
All of the above
Explanation:
A Library is an accumulation of resources, materials and educational documents for the purpose of knowledge sourcing. It can be a physical building loaded with materials, journals, publications, etc, or an online platform.
A public library is a library open to everyone basically for the acquisition of knowledge online or offline. It also provides services such as access to internet facility, a quite environment, library staffs helping to sort for documents, photocopying borrowing of books, little entertainment, research resources, etc
