Find the derivative.y = 2 - 9x3

A.  = 2 - 27x2
B.  = -27x
C.  = -18x2
D.  = -27x2


Answer: D

Mathematics

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Solve the problem.Find the tangent line(s) at the pole for the curve 

A. ? = 0 (y = 0), ? =  (y = x), ? =  (x = 0), ? =  (y = -x)
B. ? =  [y = x], ? =  [y = - x]
C. ? = 0 (y = 0), ? =  (x = 0)
D. ? =  (y = x), ? =  (y = -x)

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Find the area.Find the area of the region in the first quadrant between the curve y = e-2x and the x-axis.

A.  e
B.
C. 2
D. 1

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Answer true or false. ? Irrationals

A. True B. False

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Solve.log9  = y

A. y = -729 B. y = 3 C. y = -3 D. y = 81

Mathematics