Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log3x6
A. 6log3x6
B. 3 log x
C. 3log6x
D. 6log3x
Answer: D
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.A hyperbola having a focus at (
, 0) and corresponding directrix 
.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Pancreatic juice is the most alkaline body fluid with [H+] = 3 × 10-8 mol/L. What is the pH of pancreatic juice?
A. 7.6 B. 6.4 C. 8.0 D. 3.0
Solve the problem.If tan ? = -1.1, find the value of tan ? + tan (? + ?) + tan (? + 2?).
A. -1.3 B. -3.3 C. -3.3 + 3? D. undefined
Solve the problem.The table lists the average annual cost (in dollars) of tuition and fees at a certain 2-year college for selected years, where year 1 represents 1992, year 3 represents 1994, and so on. Use the ordered pairs (3, 1139) and (9, 1306) to find the equation of a line that approximates the data. (If necessary, round the slope to the nearest hundredth and the y-intercept to the nearest whole number.) 
A. y = 27.83x + 1056 B. y = 55.67x + 972 C. y = 27.83x - 1223 D. y = 27.83x + 972