Find the indicated derivative.Find fx for f(x, y, z) = 8x9e(4y6 + 8z9).

A. 72x8 
B. (72x8 + 8x9)e(4y6 + 8z9)
C. 72x8e(24y5 + 72z8)
D. 72x8e(4y6 + 8z9)


Answer: D

Mathematics

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Solve the problem.Suppose that the velocity of a falling body is v =  (k a constant) at the instant the body has fallen s meters from its starting point. Find the body's acceleration as a function of s.

A. a = - 
B. a = - 
C. a = 
D. a = - 

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Subtract. Check by adding. 

A. 4349 B. 3239 C. 4761 D. 5749

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Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.

A.

B.

C.

D.

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Find the difference. - 

A. - 8
B. 4
C. - 
D.

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