Multiply.× 
A. 2.4198
B. 2
C. 4
D. 4.354
Answer: A
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Sketch the graph of the function.
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?
A. ?
B. ?
C. ?
D. ?
E. ?
Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.3 + 6 + 9 + . . . + 27
A. 
B. 
C. 
D. 
Use the simplex method to solve the linear programming problem.Alan wants to invest a total of $21,000 in mutual funds and a certificate of deposit (CD). He wants to invest no more in mutual funds than half the amount he invests in the CD. His expected return on mutual funds is 8% and on the CD is 4%. How much money should Alan invest in each area in order to have the largest return on his investments? What is his maximum one-year return?
A. Maximum one-year return is $1680 when he invests $21,000 in mutual funds and $0 in the CD. B. Maximum one-year return is $1120 when he invests $7000 in mutual funds and $14,000 in the CD. C. Maximum one-year return is $840 when he invests $0 in mutual funds and $21,000 in the CD. D. Maximum one-year return is $4200 when he invests $14,000 in mutual funds and $7000 in the CD.
The region under the curve 
is rotated about the x-axis. Find the volume of the resulting solid.
What will be an ideal response?