Write the expression as the sum or difference of multiples of logarithms.log2 
A. 7 log2 x + 2 log2 y - log2 6
B. (log2 x)7 + ( log2 y)2 - log2 6
C. 7 log2 x - 2 log2 y - log2 6
D. 7 log2 x + 2 log2 y + log2 6
Answer: A
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Estimate the value of the quantity.A hat is dropped from a hot air balloon. The hat falls faster and faster but its acceleration decreases over time due to air resistance. The acceleration is measured every second after the drop for 6 seconds. Find an upper estimate for the speed when 
A. 32.06 ft/sec B. 192 ft/sec C. 38.03 ft/sec D. 69.14 ft/sec
Find the inverse of the function.f(x) = 7x3 + 6
A. f-1(x) = 
- 6
B. Not a one-to-one function
C. f-1(x) = 
D. f-1(x) = 
Find percent notation for the fraction notation in the sentence.
of those polled said that they disagreed with the mayor.
A. 1% B. 10% C. 1000% D. 100%
Write a system of equations and use the inverse of the coefficient matrix to solve the system.A basketball fieldhouse seats 15,000. Courtside seats sell for $10, endzone for $7, and balcony for $5. Total for a sell-out is $94,000. If half the courtside and balcony and all endzone seats are sold, the total is $54,000. How many of each type are there?
A. 3000 courtside 5000 endzone 7000 balcony B. 4000 courtside 3000 endzone 8000 balcony C. 3200 courtside 1800 endzone 10,000 balcony D. 3000 courtside 2000 endzone 10,000 balcony