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Rui is a professional deep water free diver.His altitude (in meters relative to sea level), a seconds after diving, is modeled by:d(x) = 1/2x^2 - 10xWhat is the lowest altitude Rui will reach?[ ] meters relative to sea level

User EugeneZ
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1 Answer

23 votes
23 votes

Lets draw a graph for our model function:


d(x)=(1)/(2)x^2-10x

The graph is:

Where we can see that the lowest point is at -50 meters relative to sea level.

Rui is a professional deep water free diver.His altitude (in meters relative to sea-example-1
User Tilpner
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