Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
> 0
A. (-2, 8)
B. (-?, -2)
C. (8, ?)
D. (-?, -2) or (8, ?)
Answer: D
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 0 for r(t) = t2i + (10t3 - 5)j + 
k
A. a(0) = 2i - 
k
B. a(0) = 2i - 
k
C. a(0) = 2i + 
k
D. a(0) = 2i - 
k
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Sketch the graph of the function on log-log paper.y = 3x4 + 2x3
What will be an ideal response?
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Find all specified roots.Seventh roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
B. -1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
D. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
, -1
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Determine whether the sequence converges or diverges. If it converges, find its limit.{an} = {9cos(n?)}
A. 9 B. 0 C. Diverges D. -9
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