Find the torsion of the space curve.r(t) = 
i + 3tj + 
k
A. ? = 
B. ? = 
C. ? = - 
D. ? = 
Answer: D
Mathematics
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Provide an appropriate response. Examine the signs of the sine and cosine in each of the four quadrants. Now look at the sign of the tangent in each of the four quadrants. What conclusion can you make?
What will be an ideal response?
Mathematics
Express as a sum of logarithms.log2 (xy)
A. log1 x + log1 y B. log1 x - log1y C. log2 x + log2 y D. log2 x - log2 y
Mathematics
Determine whether the equation is linear or nonlinear.
= 10
A. linear B. nonlinear
Mathematics
Simplify.(13 + 13)(26 - 18)
A. 208 B. 34 C. 70 D. 658
Mathematics