Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log 
A. log (6x5
) - log (5(x + 2)2)
B. log 6 + log x5 + log (2 - x)1/3 - log 5 - log (x + 2)2
C. log 6 + 5log x + 
log (2 - x) - log 5 + 2log (x + 2)
D. log 6 + 5log x + 
log (2 - x) - log 5 - 2log (x + 2)
Answer: D
Mathematics
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From the data taken from the curve in the graph below, calculate RD when Vf = 7.0 V.
a. 1140 ohms
b. 875 ohms
c. 600 ohms
d. 525 ohms
e. 500 ohms
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Find an equation for the graph.
A. y = 2 cos 
B. y = 4 cos (2?x)
C. y = 4 cos 
D. y = 2 cos (4?x)
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Collect like terms.-9b + 4b
A. -5b2 B. -5b C. 5b D. -13b
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Determine whether the given function is one-to-one. If so, find a formula for the inverse.f(x) = x3 - 3
A. f-1(x) = 
B. Not a one-to-one function
C. f-1(x) = 
D. f-1(x) = 
+ 3
Mathematics