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 = - t3 + 2t2 - 2t, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 2 m/sec, 0 m/sec2
B. 6 m/sec, -8 m/sec2
C. 6 m/sec, -2 m/sec2
D. -6 m/sec, -8 m/sec2
Answer: B
Mathematics
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Graph the following line.Through (4, -1), m = - 
A. 
B. 
C. 
D. 
Mathematics
A small country consists of four states (State 1, State 2, State 3, and State 4). The total population of the country is 400,000. The standard quotas are q1 = 179.8, q2 = 129.6, q3 = 79.2, and q4 = 11.4 respectively.The population of State 1 is
A. 259,200. B. 129,600. C. 64,800. D. 179,800. E. none of these
Mathematics
Find the volume of the solid bounded above by the surface 
and below by the plane region R.
?
; R is the region bounded by 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. - 1
D. 
Mathematics