Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = 0
B. B(t) = 
, ? = 1
C. B(t) = 
, ? = 0
D. B(t) = 
, ? = 1
Answer: C
Mathematics
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Find the domain of the logarithmic function.f(x) = log4(x2 - 14x + 49)
A. (-?, 0) ? (0, ?) B. (7, ?) C. (-?, 7) ? (7, ?) D. (-7, ?)
Mathematics
Find the most general antiderivative.
dt
A. 
t3 + t + C
B. 
t3 + 
+ C
C. 12t3 + 
t2 + C
D. 8t + 
+ C
Mathematics
Simplify the expression. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.(4x-5y8z)4(4x-3y7z)-5
A. 
B. 
C. 
D. 
Mathematics
Solve using the substitution method. Use a graphing calculator to check your answer. x + 9y = -41-7x + 9y = -73
A. (5, -6) B. (-4, -6) C. (4, -5) D. No solution
Mathematics