What is the best interpretation of $f(2) = 170$ in this context?

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The function

f (x) = - 8 x^{2} + 101 x

models the depth below sea level, in meters, of a certain seal

x

minutes after the seal dives into the water.

What is the best interpretation of

f (2) = 170

in this context?

2 minutes after the seal dives into the water, its estimated depth is 170 meters below sea level.

Approximately 2 minutes after diving into the water, the seal returns to sea level.

The seal reaches an estimated maximum depth of 170 meters below sea level.

170 minutes after the seal dives into the water, its estimated depth is 2 meters below sea level.