Write as the sum and/or difference of logarithms. Express powers as factors. log9
A. log9(14) - log9n
B. log9n - log914 - log9m
C. log914 + log9m - log9n
D. log914 ? log9m ÷ log9n
Answer: C
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by calculatiang the Riemann sum
, assuming that
are the centers of the four squares.
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