Find the curvature of the space curve.r(t) = (t + 4)i + 8j + (ln(sec t) + 6)k
A. ? = sec t
B. ? = csc t
C. ? = cos t
D. ? = sin t
Answer: C
Mathematics
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Use a graphing calculator to perform the indicated multiplication.
A. 
B. 
C. 
D. 
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Answer the question.f(x) = 
Is f continuous at f(1)?
A. Yes B. No
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Find the difference.-15 - (-12)
A. -3 B. 3 C. 27 D. -27
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Graph the function.y = 
A. 
B. 
C. 
D. 
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