The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 5t - t2, 0 ? t ? 5Find the body's speed and acceleration at the end of the time interval.

A. 15 m/sec, -10 m/sec2
B. 5 m/sec, - 2 m/sec2
C. 5 m/sec, -10 m/sec2
D. -5 m/sec, - 2 m/sec2


Answer: B

Mathematics

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Find the derivative.y = 5x2 - 2.1x

A.  = 10x2 - 2.1
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Determine whether the integral is convergent or divergent.

A. Convergent B. Divergent

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Solve.Enrollment figures at a community college showed an increase from 40,673 credit hours in one year to 75,455 credit hours in the next. Round each number to the nearest thousand to estimate the increase. 

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