Find the surface area or volume.Use an integral table and a calculator to find to two decimal places the area of the surface generated by revolving the curve 
about the x-axis.
A. 75.90
B. 65.06
C. 37.95
D. 53.23
Answer: D
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Solve for the percentage in the problem. Round to the nearest tenth of a percent.$788.06 is % of $53.19.
A. 0.7 B. 14,816.0 C. 6.7 D. 1481.6
Solve the problem. Round to the nearest cent.Find the future value of $8000 invested over 19 years in an account with an APR of 1% compounded annually.
A. $9440.00 B. $9664.87 C. $9569.18 D. $9520.00
Write the number as an improper fraction.7
A. 
B. 
C. 
D. 
Solve the problem.Alan wants to invest a total of $11,000 in mutual funds, CDs, and a high yield savings account. He wants to invest no more in mutual funds than half the amount he invests in CDs. He also wants the amount in savings to be at least twice the sum of his CDs and mutual funds. His expected return on mutual funds is 10%, on the CDs is 6%, and on savings is 3%. How much money should Alan invest in each area in order to have the largest return on his investments? Set this up as a linear programming problem in the following form: Maximize cTx subject to Ax ? b and x ? 0. Do not find the solution.
A. Let x1 be the amount invested in mutual funds, x2 the amount in CDs, and x3 the amount in savings.
Then b = 
, x = 
, c = 
, and A = 
B. Let x1 be the amount invested in mutual funds, x2 the amount in CDs, and x3 the amount in savings.
Then b = 
, x = 
, c = 
, and A = 
C. Let x1 be the amount invested in mutual funds, x2 the amount in CDs, and x3 the amount in savings.
Then b = 
, x = 
, c = 
, and A = 
D. Let x1 be the amount invested in mutual funds, x2 the amount in CDs, and x3 the amount in savings.
Then b = 
, x = 
, c = 
, and A = 