Write as the sum and/or difference of logarithms. Express powers as factors.log3
A. 2log3x -log3(x + 5)
B. log3(x + 5) -log3x
C. log3(x + 5) - 2log3x
D. log3(x + 5) + 2log3x
Answer: C
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?Which of the following is not true about subtracting integers?
A. ?-(-6) is positive. B. ?If a< b, and both a and b are negative, then a - b is positive. C. ?If a < b and a is negative, and b is positive, then a - b is negative. D. ?If a < b and a is positive, then b is positive. E. ?If a < b and b is positive, then b - a is positive.
Solve the problem.If the price charged for a candy bar is p(x) cents, then x thousand candy bars will be sold in a certain city, where p(x) = 88 - 
. How many candy bars must be sold to maximize revenue?
A. 2464 candy bars B. 2464 thousand candy bars C. 1232 thousand candy bars D. 1232 candy bars
For the compound inequality, give the solution set in both interval and graph forms.-2b + 4 < 10 or -2b + 4 ? 18
A. (3, 7]
B. (-?, -7] ? (-3, ?)
C. [-7, ?)
D. (-?, -3)
Factor.x2 + 47x + 48
A. (x + 48)(x - 1) B. (x + 12)(x - 4) C. Prime D. (x - 12)(x + 4)