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.log2(x - 1) - log2(x + 4)
A. log2-5
B. log2
C. log2(x2 + 3x - 4)
D. log2
Answer: B
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Use the guidelines to evaluate the study. Discuss flaws that you see in the study. An acupuncturist notes that after a month of acupuncture 80% of her patients who had been suffering from depression are feeling better. The acupuncturist determines the level of depression by interviewing the patients at the beginning of the month and at the end of the month. She concludes that acupuncture has an 80% success rate in relieving depression.
What will be an ideal response?
Solve the problem.Refer to the following preference schedule. If the Borda count method is used to determine the winner, is Fairness Criterion 2 satisfied?
A. Yes B. No
Find the area of the figure. Use 3.14 for ?. Round your answer to the nearest tenth.
A. 1034.0 ft2 B. 877.0 ft2 C. 563.0 ft2 D. Not enough data
Provide an appropriate response.Equating the numerators in the process of partial fraction decomposition, your friend has obtained the algebraic expression 
From this equation, what can you say about the original expression?
A. The original expression has a non-reducible quadratic factor in the denominator. B. The original expression has the factor (x2 + 3) in the denominator. C. The original expression has a numerator of (8x - 3)(3x - 3)(x + 3)(x + 3). D. The original expression has a repeating linear factor in the denominator.