Britton Hill, Florida is located at an elevation above sea level. What is a possible elevation of
Britton Hill, Florida?

345 feet

Step-by-step explanation:

If you don't know about Britton Hill, Florida, you're probably not a mountain climber, and you're definitely not a highpointer. At 345 feet above mean sea level, Britton Hill is Florida's highest natural point and the lowest "high point" in the United States.

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value