Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by x = 5
, x = - 5y, and y = 1 about the line y = 1
A. ?
B. ?
C. ?
D. 5?
Answer: B
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Find the indicated probability.The following table displays a distribution for a group of retired people by career and age at retirement. Suppose one of these people is selected at random. Compute the probability that the person selected was an attorney and that they retired between 61 and 65. Round your answer to the nearest thousandth.
A. 0.119 B. 0.238 C. 0.282 D. 0.422
Find the derivative of the function at P0 in the direction of u.f(x, y) = 5x + 2y, P0(6, 4), u = 4i - 3j
A.
B.
C. 2
D. 6
Solve the problem.Find the volume of the solid bounded by the ellipsoid +
+
= 1 and the planes
and
(The area of an ellipse with semiaxes a and b is ?ab.)
A. 4752.00? units3 B. 72.00? units3 C. 158.40? units3 D. 201.60? units3
Evaluate the expression for the given value or values.x - 2yz for x = 90, y = 3, z = 5
A. 420 B. 1320 C. 60 D. 80