Find all solutions to the equation.1 - 4 cos2 x = 0
A. x = 
+ n?, x = 
+ n?, for integers n
B. x = 
+ 2n?, x = 
+ 2n?, for integers n
C. x = 
+ n?, x = 
+ n?, for integers n
D. x = 
+ n?, for integers n
Answer: A
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 2y - y2 and the y-axis about the x-axis
A. 2?
B. 4?
C. 
?
D. 
?
Evaluate the integral.
A. 40?
B. 80?
C. 
?
D. 
?
Solve.Tickets for the school play cost $5 for students and $8 for adults. On opening night, all 360 seats were filled, and the box office revenues were $2610. How many student and how many adult tickets were sold?
A. 320 adult and 40 student B. 360 student and 0 adult C. 90 adult and 270 student D. 90 student and 270 adult
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x4 - 5x2 - 36; x - 6
A. Yes B. No