In cylindrical coordinates, we take
so that .
We have
and the integral is
Bruce's graduation picnic will cost $12 if it has 4 attendees. At most how many attendees can there be if Bruce budgets a total
2 answers:
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Answer:
Option B. 1.8 seconds
Step-by-step explanation:
h=-16t^2+56t+1
This is a quadratic equation, and its graph is a parabola
h=at^2+bt+c; a=-16, b=56, c=1
Like a=-16<0 the parabola opens downward, and it has a maximum value (height) at the vertex, at the abscissa:
Replacing the known values:
Approximately 1.8 seconds.
Answer: It takes approximately 1.8 seconds the airplane to reach its maximum height.