Write as the sum and/or difference of logarithms. Express powers as factors.ln 
, x > 4
A. 7ln x + 
ln (1 + 3x) - 9ln (x - 4)
B. ln 7 + ln x - 11ln (1 + 3x) - 9ln (x - 4)
C. ln 7 + ln x + 
ln (1 + 3x) - ln 9 - ln (x - 4)
D. ln 7 + ln x + 
ln (1 + 3x) - 9ln (x - 4)
Answer: D
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Solve the problem by estimating.The highest point in State X is at an elevation of 7276 feet and the highest point in State Y is at an elevation of 2937 feet. By rounding to the nearest hundred, estimate the difference between these two points.
A. 4300 ft B. 4339 ft C. 4400 ft D. 4000 ft
Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
Write the expression in the standard form a + bi.Given z = 3 + 9i and w = -8 + i, evaluate 
.
A. 11 + 8i B. 11 - 8i C. -5 + 10i D. -11 - 8i
Find a polar equation of the conic that has a focus at the pole and that satisfies the given conditions.Ellipse; vertices (6, 0) and (4, ?)
A. r = 
B. r = 
C. r = 
D. r = 