Provide an appropriate response.Simplify the following expression: 
2
Fill in the blank(s) with the appropriate word(s).
10
Mathematics
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Sketch the graph of y = -1 - cosx over one period.
What will be an ideal response?
Mathematics
Solve using matrices.4x + 9y - z = 21 x - 5y + 7z = -2 8x + y + z = 11
A. (-1, 2, 2) B. (1, 1, 2) C. (2, 1, 1) D. (1, 2, 1)
Mathematics
Find the phase shift.y = 3 cos
A. 
units to the left
B. 
units to the right
C. 
units to the right
D. 
units to the left
Mathematics
Evaluate the expression.
A. 1 B. 11 C. 0 D. 39,916,800
Mathematics