Write the expression as the sum or difference of logarithms.log4 6x7

A. 3(log4 6 + log4 x)
B. log4 6 + log4 x7 
C. log4 6 + 7 log4 x
D. log4 6 - 7 log4 x


Answer: C

Mathematics

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A.

B.

C.

D.

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Find the partial derivative.Let z = f(x,y) = 9x2 - 20xy + 7y3. Find .

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Mathematics