Find the specified quantity.Find the amplitude of y = 2 cos (3x - ?).
A. ?
B. 2
C. 6
D. 3
Answer: B
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Find an antiderivative of the given function.f(s) = 5 
- 4
A. 
s4/3 - 4s
B. 
s3/4 - 4s
C. 
s4/3 - 4s
D. 
s3/4 - 4s
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 x-axis.y = 4x, y = 8x, y = 4
A. 
?
B. 
?
C. 16?
D. 8?
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 7 feet. The parabola is positioned in a rectangular coordinate system with its vertex at the origin. The receiver should be placed at the focus src="https://sciemce.com/media/4/ppg__tttt0518191450__f1q31g3.jpg" alt="" style="vertical-align: -4.0px;" />
The value of p is given by the equation 
How far from the base of the dish should the receiver be placed?
A. 
feet from the base
B. 1
feet from the base
C. 
feet from the base
D. 3
feet from the base
Add or subtract as indicated. Write the answer in simplest form.
- 4
A. - 
B. - 
C. - 
D. 