Calculate the work done by the force F along the path C.F = 
i + j + 2k; C: r(t) = t8i + t6j + tk , 0 ? t ? 1
A. W = ln
B. W = ln
+ 3
C. W = ln
+ 3
D. W = ln
+ 8
Answer: B
Mathematics
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by using the Chain Rule. Express your final answer in terms of t.w = cos (x2yz); x = t, y = t4, z = t2
A. -8t7 sin (t8) B. -8t7 cos (t8) C. 8t7 sin (t8) D. -7t6 sin (t6)
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Determine whether it is true or false that the described rigid movement(s) will produce a figure with symmetry to the figure shown.Rotate 90°
A. False B. True
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Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 
C. 
D. 
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Find the probability.If you are dealt two cards successively (with replacement of the first) from a standard 52-card deck, find the probability of getting a face card on the first card and an ace on the second.
A. 
B. 
C. 
D. 
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