Answer:
Minimum sea level:
feet.
Maximum sea level:
feet.
Explanation:
We have been given that Texas is on average 1700 feet above sea level. This level varies by as much as 7049 feet depending on precipitation and your location.


Using absolute value definition
, then
, we will get:
or

or

or

Therefore, the minimum sea level is
feet and maximum sea level is
feet.