Find the second-order partial derivative.Find fxx when f(x, y) = x6y3 - x7y7 + 17x - y.

A. 30x5y3 - 42x6y7
B. 30x4y2 - 42x5y6
C. 30x4y3 - 42x5y7
D. 5x4y3 - 6x5y7


Answer: C

Mathematics

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A. 84 B. 87 C. 79 D. 89 E. 81

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A. x = 0
B. x = 
C. y = 0
D. x = - 

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Provide an appropriate response.Decide if the following statement is true or false, and explain why: log4 64 = 4

What will be an ideal response?

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Write the number in scientific notation.0.000571

A. 5.71 × 10-3 B. 5.71 × 10-5 C. 5.71 × 10-4 D. 5.71 × 104

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