Express the given logarithm as a sum and/or difference of logarithms. Simplify, if possible. Assume that all variables represent positive real numbers.logn 
A. 
logn4 + 
lognx - 
lognz
B. 
logn4 - 
lognx - 
lognz
C. 
logn4 + 
lognx + 
lognz
D. 
logn4 + 3 lognx - 7 lognz
Answer: A
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, 
A. 5x + 5 B. 5 C. 5(x + 5) D. x + 5
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A. R(5, 4) in Quadrant I; S(-4, -3) in Quadrant III B. R(-6, -4) in Quadrant III; S(5, -4) in Quadrant IV C. R(5, -6) in Quadrant II; S(-4, -3) in Quadrant III D. R(-6, 5) in Quadrant II; S(-3, -4) in Quadrant III
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A. Yes B. No
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