Answer:
y = 3/5x + 3/5.
Step-by-step explanation:
the /'s are division symbols. 3 3
y = _ + _
5 5
P= 4a would be the answer
xx
f(x) cannot be 0 or less than zero, but can approach+ infinity
Answer is (0, ∞)
and 
to be inversely proportional, there must be some constant 
such that
when 
, it follows that
, we have