Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.ln x + 4ln y
A. ln 4xy
B. ln 
C. ln (x + 4y)
D. ln xy4
Answer: D
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Find the least common denominator (LCD).
, 
A. (x + 5)(x + 1) B. (x + 5)(x + 1)(x - 6) C. (x + 1)(x - 6) D. (x - 5)(x - 1)(x - 6)
Simplify the expression by using the order of operations.5 + 12 ÷ 4 + 7 + 
A. 9 B. 15 C. 10 D. 14
The following comparison line graph indicates the number of vehicles sold for a seven week period by two different salespeople. Use the graph to answer the question.
According to this graph, during which week(s) was the difference between Pat's sales and Chris' sales the smallest?
A. Week 4 B. Week 4 and Week 5 C. Week 5 D. Week 5 and Week 6
Find the requested vector.v = -2i + 3j + k, u = 5i + 4j - 5kFind a vector orthogonal to both v and u.
A. -29i - 15j - 41k B. -19i - 5j - 23k C. 2i + 2j - 2k D. -2i - 2j + 2k