Rewrite the rational expression as an equivalent rational expression with the given denominator.
= 
A.
B.
C.
D.
Answer: B
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 1 for r(t) = (9t - 3t4)i + (2 - t)j + (7t2 - 2t)k
A. a(1) = -36i - j + 14k B. a(1) = 36i + 14k C. a(1) = -9i + 14k D. a(1) = -36i + 14k
Write the converse, inverse, or contrapositive of the statement as requested.If you like me, then I like you.Converse
A. I don't like you if you don't like me. B. If I like you, then you like me. C. If you don't like me, I don't like you. D. I like you if you don't like me.
Use the table of values of f to estimate the limit.Let f(x) = , find
f(x).
A. limit = 6 B. limit = 5.5 C. limit does not exist D. limit = 0
Find the center of mass of a thin plate of constant density covering the given region.The region between the x-axis and the curve y = 6csc2 x, ? x ?
A. =
,
= 8
B. =
,
= 4
C. =
,
= 9
D. =
,
= 6