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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Estimate. Choose a rounding digit that gives one or two nonzero digits.9.85 ÷ 2
A. 0.5 B. 5 C. 50 D. 0.05
Mathematics
Find the derivative.y = 5x2 - 2.1x
A. 
= 10x2 - 2.1
B. 
= 10x - 2.1
C. 
= 5x2 - 2.1
D. 
= 5x - 2.1
Mathematics
Determine whether the integral is convergent or divergent.
A. Convergent B. Divergent
Mathematics
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.
A. 35,000 credit hours B. 34,900 credit hours C. 34,000 credit hours D. 34,800 credit hours
Mathematics