Find the curvature of the space curve.r(t) = ti + (sinh t)j + (cosh t)k
A. ? = cosh2 t
B. ? = sinh2 t
C. ? = 
D. ? = 
Answer: D
Mathematics
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For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 5 - 3x, g(x) = -8x + 3Find (f + g)(x).
A. 5x + 8 B. -8x + 5 C. -3x D. -11x + 8
Mathematics
Write the expression in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Simplify. Express the answer using positive exponents.x-9 ? x3 ? x-8
A. 
B. 
C. x14
D. x20
Mathematics
Find the inclination 
(in radians and degrees) of the line passing through the points. Round your answer to four decimal places for radians and round your answer to one decimal places for degree.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics