Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = 1
B. B(t) = 
, ? = 0
C. B(t) = 
, ? = 0
D. B(t) = 
, ? = 1
Answer: B
Mathematics
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Solve the problem.Given 
f(x) = Ll, 
f(x) = Lr, and Ll ? Lr, which of the following statements is true? I. 
f(x) = Ll II. 
f(x) = Lr III. 
f(x) does not exist.
A. I B. none C. II D. III
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Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log4.6 246
A. 3.6076 B. 53.4783 C. 2.3909 D. 0.2772
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Change the given quantity to the indicated unit.48 pt = qt
A. 192 B. 24 C. 96 D. 12
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Perform the division and simplify.
a. 
b. 
c. 
d. 
e. 
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