Multiply the conjugates.(6
- 3
)(6
+ 3
)
A. 279 + 36
B. -3
C. 279
D. 81
Answer: D
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Express as a single logarithm and, if possible, simplify.logb x5 - 2logb 
A. logb x4
B. 
C. logb x6
D. logb (x5 - x)
The following table shows average rice yield, in tons per hectare, in Asia t years since 1980.
510152025
3.323.613.733.954.11?
Use the average rate of change to estimate the yield in 1989.00.
?
A. 4.08 tons per hectare B. 3.55 tons per hectare C. 3.46 tons per hectare D. None of the above
Sugar costs $1.55 per pound, and lemons cost $0.47 each. You sell lemonade for $1.35 per glass. Write S for the pounds of sugar used, L for the number of lemons used, G for the number of glasses of lemonade you sell, and P for the profit, in dollars, you make. Express using a formula your profit in terms of pounds of sugar used, number of lemons used, and number of glasses of lemonade sold. ?
A. 
B. ?
C. ?
D. ?
Evaluate the function as indicated.g(x) = log3 xg(9)
A. 2 B. 1 C. 0 D. 3