2.936 liters of punch...or 2,936 milliliters...or 293.6 centiliters.
Given:
The function is:

To find:
The value of
.
Solution:
We have,

Putting
, we get



On combining like terms, we get


Therefore, the required function is
.
First one and the last one are rational. And the other two of them are irrational.
The answer to your question is D. 512