Find the curvature of the space curve.r(t) = -4i + (10 + 2t)j + (t2 + 2)k
A. ? = 
B. ? = - 
C. ? = 
D. ? = 
Answer: A
Mathematics
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Solve the problem.Find the tangent to y = cos x at x = 
.
A. y = - x - 
B. y = 1
C. y = - x + 
D. y = x + 
Mathematics
Translate the phrase into a subtraction problem. Then find the difference.the difference of -30 and -15.
A. -45 B. -15 C. 45 D. 15
Mathematics
Multiply or divide and write scientific notation for the result.(5.45 × 10-2)(7.23 × 10-6)
A. 3.9 × 1012 B. 3.94 × 1012 C. 3.9 × 101 D. 3.94 × 10-7
Mathematics
Estimate the slope of the curve at the indicated point.
A. 
B. - 
C. -2
D. 2
Mathematics