Write the equation of the axis of symmetry.f(x) = 2x2 + 4x + 6
A. x = 1
B. x = -1
C. x = -4
D. x = 4
Answer: B
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Solve the problem.A tank is designed by revolving the parabola y = 2x2, 0 ? x ? 2, about the y-axis. The tank, with dimensions in meters, is filled with water weighing How much work will it take to empty the tank by pumping the water to the tank's top? Give your answer to the nearest J.
A. 1,313,605 J B. 41,050 J C. 3,940,814 J D. 656,802 J
Find the volume of the indicated region.the region bounded below by the xy-plane, laterally by the cylinder and above by the plane
A. 7? B. 196? C. 49? D. 28?
Determine if the series converges absolutely, converges, or diverges.
A. Converges absolutely B. Converges conditionally C. diverges
Solve the problem.A woman has $2.55 in dimes and nickels. She has 18 more dimes than nickels. How many nickels does she have?
A. 7 B. 5 C. 28 D. 23