1.64 million rounded to the nearest million is 2 million.
Given that,

To find,
The domain of f(x).
Solution,
We have, 
To find domain,
The term under the square root must be positive or null as follows :

Adding 3 both sides

So, the domain is x-3>0
.
it is going to be c cause i know cause my kid does it
Answer:
hi
apply BPT

solve it now
x = 88/18 approx = 4.9 inches