For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (4t2 - 4t)i + (t + 9)j + k ; t0 = 2
A. x = 8 + 12t, y = 11 + t, z = 1
B. x = 8 + 12t, y = 11 + t, z = 0
C. x = 12t, y = t, z = t
D. x = 8 + t, y = t, z = t
Answer: A
Mathematics
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A. 
, 
, 
, 
, 
B. 6e, 24e2, 120e3, 720e4, 5040e5
C. 
, 
, 
, 
, 
D. -6e, 24e2, -120e3, 720e4, -5040e5
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A. 
B. 
C. 
D. 
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A. 2,775 B. 2,755 C. 2,765 D. 2,865
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Provide an appropriate response.Raise to the indicated power: 
2
Fill in the blank(s) with the appropriate word(s).
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