The diver is 25.6 feet under sea level so they need to come back up 25.6 feet to reach sea level again. The answer is 25.6 feet.
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The third one, because statistical questions have variables that can change
Answer:

Step-by-step explanation:
The domain is all possible values for x.
The range is all possible values for f(x) or y.
The domain given is {-3, -2, -1, 1}.
Plug x as {-3, -2, -1, 1} and find the f(x) or y values.

The range is {7, 6, 5, 3}, when the domain is {-3, -2, -1, 1}.