Solve the problem.A satellite dish is in the shape of a parabolic surface. Signals coming from a satellite strike the surface of the dish and are reflected to the focus, where the receiver is located. The satellite dish shown has a diameter of 10 feet and a depth of 4 feet. The parabola is positioned in a rectangular coordinate system with its vertex at the origin. The receiver should be placed at the focus
The value of p is given by the equation
How far from the base of the dish should the receiver be placed?
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A. 6 feet from the base
B. feet from the base
C. 1 feet from the base
D. feet from the base
Answer: C
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Solve using Cramer's rule. 3x - 5y - 2z = -15-2x + 6y - 2z = 20-4x - 4y + 8z = -28
A. (5, 3, 1) B. (4, -5, -1) C. (4, 5, 1) D. (5, 1, 5)
Obtain a slope field and add to its graphs of the solution curves passing through the given points.y' = with (0, -1)
What will be an ideal response?
Solve the problem.One television has a rectangular screen that is 9 inches by 17 inches. Another has a rectangular screen that is 6 inches by 10 inches. The size of a television set is commonly given by the length of the screen's diagonal. What is the difference of the diagonal lengths for these two sets?
A. in.
B. ( - 2
) in.
C. 234 in.
D. ( + 2
) in.
Provide an appropriate response.If = 2, find
f(x).
A. 3 B. 2 C. 1 D. Does not exist