[Step-by-Step] At a certain instant, a small balloon is released from ground level at a point 75 feet away from an observer also at ground level. If the balloon
Question: At a certain instant, a small balloon is released from ground level at a point 75 feet away from an observer also at ground level. If the balloon goes straight up at the rate of 2.5 feet per minute, how rapidly will it be moving away from the observer 40 seconds later?
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![[Solution Library] Find the following limits x→](/images/solutions/MC-solution-library-43636.jpg "[Solution Library] Find the following limits x→ 3lim (x^2-x-6)/(x-3) theta")
[Solution Library] Find the following limits x→ 3lim (x^2-x-6)/(x-3) theta
![[All Steps] Find the following limits x→](/images/solutions/MC-solution-library-43637.jpg "[All Steps] Find the following limits x→ 4lim (frac1)/(√x)-1/2x-4")
[All Steps] Find the following limits x→ 4lim (frac1)/(√x)-1/2x-4
![[Solution Library] Use the definition of derivative](/images/solutions/MC-solution-library-43638.jpg "[Solution Library] Use the definition of derivative to find the")
[Solution Library] Use the definition of derivative to find the
![[See Solution] Use the definition of derivative](/images/solutions/MC-solution-library-43639.jpg "[See Solution] Use the definition of derivative to find the derivative")
[See Solution] Use the definition of derivative to find the derivative
![[Solution] Differentiate and simplify: y= cos ^3(2x^2+3)](/images/solutions/MC-solution-library-43640.jpg "[Solution] Differentiate and simplify: y= cos ^3(2x^2+3) y=ln")
[Solution] Differentiate and simplify: y= cos ^3(2x^2+3) y=ln
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