Find the parametric equations for the line tangent to the curve at the given point.r(t) = 
at t = 1
A. x = 1 + 8t, y = -6 - 6t, z = 2 + 6t
B. x = 1 + t, y = -6, z = 2 + t
C. x = 8 + 8t, y =-6 - 6t, z = 7 + 6t
D. x =8 + t, y = -6 - 6t, z = 6 + 2t
Answer: A
Mathematics
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A. 1 - x2
B. 
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D. 
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Simplify the expression. Assume that all variables are positive when they appear.(
+ 
)(
- 
)
A. 11 - 2
B. 11z
C. 11 - z
D. 11 - 2
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A. (13, -333)
B. (-13, 5)
C. 
D. 
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