Find the derivative of y with respect to the appropriate variable.y = 6 ln x + 
sech-1 x
A. 6 ln x - sech-1 x
B. 
- 
C. 
- 
D. 
- 
Answer: B
Mathematics
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Find the Cartesian coordinates of the given point.
A. (16, 16)
B. (8
, 8)
C. (8
, 8
)
D. (16
, 16
)
Mathematics
Write an equivalent sentence for the statement.Denim is not out and linen is not in. (Hint: Use De Morgan's laws.)
A. Denim and linen are in. B. It is not the case that denim is out or linen is in. C. It is not the case that denim is out and linen is in. D. It is not the case that denim is in or linen is out.
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 10(cos 30° + i sin 30°)w = 5(cos 10° + i sin 10°)Find 
.
A. 2(cos 3° + i sin 3°) B. 2(cos 20° + i sin 20°) C. 5(cos 20° + i sin 20°) D. 5(cos 3° + i sin 3°)
Mathematics
Find the distance d(P1, P2) between the points P1 and P2.
A. 9
B. 27
C. 3
D. 27
Mathematics