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 + 6t2 - 6t, 0 ? t ? 6Find the body's displacement and average velocity for the given time interval.
A. 396 m, 66 m/sec
B. -36 m, -12 m/sec
C. -36 m, -6 m/sec
D. 36 m, 6 m/sec
Answer: C
Mathematics
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Find v ? u.v = 
and u = 
A. 
i - 
j
B. 
C. 0
D. 
i
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Multiply: 3/5 ð 4/7
a. 7/12 b. 7/35 c. 20/21 d. 41/35 e. 12/35
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Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); vertex at (0, 3); focus at (0, -
)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Solve the problem.The sum of a student's three scores is 236. If the first is 12 points more than the second, and the sum of the first two is 2 more than twice the third, what was the first score?
A. 73 B. 78 C. 66 D. 85
Mathematics