Aplane flying at an altitude of 3.0 mi is at a direct distance dequalsstartroot 9.0 plus x squared endroot from an airport control tower, where x is the horizontal distance to the tower. if the plane's speed is 380 mi/h, how fast is d changing when xequals6.6 mi?

21/58.

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for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a