carolina1636
07.03.2020 •
Mathematics
A shark's depth in meters relative to sea level over time in minutes, x, is modeled as a parabola. At time 1 minute the shark is swimming upwards and is at a depth of 7 meters. The shark continues to swim toward the surface for another minute and then turns and begins to swim downwards and returns to a depth of 7 meters at time 3 minutes. What is the axis of symmetry of the graph of the parabola?
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Ответ:
The 2nd one.
Step-by-step explanation:
The second choice. You can see the line is going in both the positive x and positive y direction. THey will continue like this to positive infinity.