Solve the problem.After being struck with a hammer, a gong vibrates 60 vibrations in the first second and in each second thereafter makes 
as many vibrations as in the previous second. Find how many vibrations the gong makes before it stops vibrating.
A. 360 vibrations
B. 370 vibrations
C. 67 vibrations
D. 72 vibrations
Answer: A
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Use Simpson's rule to approximate the value of the integral defined by the given set of points.
A. 12.14 B. 12.98 C. 9.08 D. 13.28
Solve the problem.A basketball fieldhouse seats 15,000. Courtside seats sell for $8, endzone for $7, and balcony for $4. Total for a sell-out is $78,000. If half the courtside and balcony and all endzone seats are sold, the total is $46,000. How many of each type are there?
A. 3200 courtside 1800 endzone 10,000 balcony B. 4000 courtside 3000 endzone 8000 balcony C. 3000 courtside 2000 endzone 10,000 balcony
Decide whether or not the functions are inverses of each other.f(x) = 2x2 + 1, domain [0, ?); g(x) = 
, domain [1, ?)
A. No B. Yes
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Last year the profit for a company was $630,000. This year's profit decreased by 2.2%. Find this year's profit.
A. $138,600.00 B. $616,140.00 C. $491,400.00 D. $13,860.00