Use logarithmic differentiation to find the derivative of y.y = sin x
A. sin x
B. sin x
C. sin x
D. 
Answer: B
Mathematics
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Solve the equation.
= x - 1
A. {4} B. ? C. {-3, 4} D. {-3}
Mathematics
Find the indicated rate.A machine can fill 4888 boxes of cereal in 0.8 hour. How many boxes of cereal can it fill per hour?
A. 4889 boxes/hour B. 5431 boxes/hour C. 6110 boxes/hour D. 3910 boxes/hour
Mathematics
Complete the square and write the equation in standard form. Then give the center and radius of the circle.x2 + 18x + 81 + y2 - 8y + 16 = 81
A. (x + 9)2 + (y - 4)2 = 81 (9, -4), r = 81 B. (x - 4)2 + (y + 9)2 = 81 (4, -9), r = 9 C. (x - 4)2 + (y + 9)2 = 81 (-4, 9), r = 81 D. (x + 9)2 + (y - 4)2 = 81 (-9, 4), r = 9
Mathematics
Find the common ratio, r, for the geometric sequence.
, 
, 
, 
, 
, . . .
A. 
B. 2
C. 12
D. 
Mathematics