Are you sure you wrote it right? :-(
The function f(x)=2x-5 is a linear function.
Unless otherwise stated (and that does not seem to be the case) in the real numbers domain, x may assume any value.
The same can be said to y.
So, the lowest output value approached by this function is -∞
(minus infinity).
:-)
G(x) is f(x) translated down 16 units.
Answer:
, 
Explanation:
The total water level lost due to evaporation is directly proportional to the number of day. That is:

Where
is the proportionality constant, which is equal to
. The expression is:

And the total change in water level after 30 days is:


I would say that the resource you could use to find the meaning of <em>ambiguous </em>is the dictionary.
An almanac is an annual publication about weather, crops, etc.
A thesaurus is a dictionary of synonyms.
An encyclopedia is self-explanatory.
It takes "92 minutes" to orbit Earth
Hope this helps!