Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 2ex2, y = 0, x = 0, x = 1
A. 1(e - 1) ?
B. 4e ?
C. 4(e - 1) ?
D. 2(e - 1) ?
Answer: D
Mathematics
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Simplify the expression. If any variables exist, assume that they are positive.6
- 3
- 
A. 14x
B. 2x
C. 3x
D. 15x
Mathematics
Write the number in standard notation.9.432 × 10-6
A. 0.0000009432 B. 0.00009432 C. -9,432,000 D. 0.000009432
Mathematics
Write an equation that expresses the relationship. Use k as the constant of variation.x varies jointly as m and the square of n.
A. x =kmkn2
B. x = 
C. x = 
D. x = kmn2
Mathematics
Use the percent proportion to answer the question. Round your answer to the nearest tenth of a percent, if necessary.72.7 feet is what percent of 9 feet?
A. 8078.0% B. 12.4% C. 1.2% D. 807.8%
Mathematics