Determine the phase shift of the function.y = 3 cos 
A. 
units to the right
B. 
units to the left
C. 3 units down
D. 3 units up
Answer: B
Mathematics
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Solve the problem.Estimate the area of the surface generated by revolving the curve y = cos 2x, 0 ? x ? ?/4 about the x-axis.Use the Trapezoidal Rule with n = 6.
A. 4.606 B. 5.108 C. 7.091 D. 4.652
Mathematics
Evaluate the determinant.
A. 66 B. -12 C. 0 D. 1
Mathematics
Use the graph of a power function and transformations to sketch the graph of the polynomial function.f(x) = -3x4
A. 
B. 
C. 
D. 
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics