Find the surface area or volume.The region between the curve y = 
, 0.4 ? x ? 0.9, and the x-axis is revolved about the x-axis to generate a solid. Use a table of integrals to find the volume of the solid generated to two decimal places.
A. 1.12
B. 0.93
C. 0.88
D. 1.04
Answer: C
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Use DeMorgan's Laws to rewrite the negation of the statement.The number x is not less than 7 and y is not greater than 0.
A. The number x is not less than 7 or y is not greater than 0. B. The number x is less than 7 or y is greater than 0. C. The number x is less than 7 and y is not greater than 0. D. The number x is less than 7 and y is greater than 0.
Solve.On the morning of December 19 the temperature was -4°F. The next morning the temperature had risen 14°F. What was the temperature on the morning of December 20?
A. -10°F B. 18°F C. -18°F D. 10°F
Solve the problem.The graph shows an idealized linear relationship for the average monthly payments (in dollars) to retirees from 2000 through 2004. Use the midpoint formula to estimate the payment for 2002.Average Monthly Payments to Retirees
a = $452; b = $524
A. $488 B. $36 C. $524 D. $500
Solve the problem.One Sunday in February, the high temperature in Buffalo was 46° F. For the next 5 days, the high dropped 3°F each day. What was the temperature the following Friday, and was it above, at, or below freezing (32°F)?
A. 32°F, at freezing B. 61°F, above freezing C. 31°F, below freezing D. 38°F, above freezing