Don gets $25 for whitewashing a fence. How many fences would he have to whitewash to earn a trip to camp that costs $165.00? 6 7
2 answers:
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Answer:
work is pictured and shown
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The ball's velocity will be represented by the derivative of its distance function:
Now find the times
for which this is equal to 30, i.e. solve
This has two solutions,
, but only one is positive and falls in the interval ![[0,3]](https://tex.z-dn.net/?f=%5B0%2C3%5D)
. So the velocity reaches 30 cm/s when 
.
Now find the times
This has two solutions,