5. At time t = 0 a ball is thrown straight up at 208 feet per second from the top of a 2688 foot tall building. Assuming Earth's gravity is a(t) = -32 feet per second?: a. Find the position and velocity functions of the ball. Be sure to label which is which. b. What is the ball's maximum height above the ground? c. When does the ball hit the ground?

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A: Using partial differentiation on the above multivariable function

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A: Given y varies jointly with x & square revt at Z .If y = 30 when x = 3 & z = 25 .We have…

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A: