Solve the problem.On a gambling trip to Las Vegas, Anthony doubled his bet each time he won. If his first winning bet was $4 and he won six consecutive bets, find how much he won on the sixth bet. Find the total amount he won on these six bets.
A. $256; $508
B. $128; $252
C. $256; $252
D. $64; $124
Answer: B
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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = sin u, u = 2x + 12
A. 2 cos (2x + 12) B. - cos (2x + 12) C. cos (2x + 12) D. - 2 cos (2x + 12)
Find the volume of the indicated region.the region that lies under the plane 
and over the triangle bounded by the lines 
, 
, and 
A. 65 B. 85 C. 71 D. 91
Answer the question.A bag of pecans holds at least 45 nuts and at most 65 nuts. How many bags of pecans must be selected to be sure that at least three bags contain the same number of nuts?
A. 44 bags B. 43 bags C. 23 bags D. 22 bags
Solve the problem.A stack of poles has 21 poles in the bottom row, 20 poles in the next row, and so on, with 10 poles in the top row. How many poles are there in the stack?
A. 160 B. 196 C. 186 D. 176