For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (t2 - 7)i + (2t - 8)j + 6k; osculating plane at t = 1.
A. x + y + (z + 6) = 0
B. z = -6
C. x + y + (z - 6) = 0
D. z = 6
Answer: D
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Provide an appropriate response.How many seconds are in 38,000 ms?
A. 38 s B. 3.8 s C. 0.038 s D. 38,000,000 s
Find the length of the curve.The spiral r = 4?, 0 ? ? ? ?
A. 
B. 4
C. 
((?2 + 1)3/2 - 4)
D. 2(?
+ ln (? + 
))
Find the product.
A. x2 - 25x - 6
B. x2 - 
C. x2 + 25x - 6
D. x2 - 25
Provide an appropriate response.Suppose that you start a business manufacturing and selling computers, and it costs you $10,924 to get started. You determine that each computer will cost $707 to manufacture and you choose to sell each for $1584. Form a system from two equations, assuming 
that is, 
and then solve the system. Round to the nearest whole number.
A. y1 = 10,924x + 707 y2 = 1584x; (0, 131,795) B. y1 = 707x + 10,924 y2 = 1584x; (12, 19,408) C. y1 = 10,924x + 707 y2 = 1584x (0, 130,381) D. y1 = 707x + 10,924 y2 = 1584x; (10, 17,994)