Question 492792
(A)
The domain is {{{ 2000 - 2 = 1998 }}} 
(B)
{{{y}}} cannot be negative. That would be the same
as Nermal producing cheese.
Positive {{{y}}} can go from zero to 
{{{ 2000 / .5 - 2/.5 }}} =
{{{ 4000 - 4 = 3996 }}} pounds
He will explode if he eats more than this