p19 - 4(Text 4.6#16 The volume of a square base pyramid is...

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4. (Text 4.6 #16) The volume of a square base pyramid is g1848=g2869g2871g1876g2870. (A) A pyramid has a height hand a square base with side x. If the height remains fixed and the side of the base is decreasing by 0.002 meters per year, what rate is the volume decreasing when the height is 120 meters and the base length is 150 meters?
(B) A pyramid has a height hand a square base with side x. If the height decreases at a rate of 0.0005 meters per year and the side of the base is decreasing by 0.002 meters per year, what rate is the volume decreasing when the height is 120 meters and the base length is 150 meters? .

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