Find the phase shift of the function.y = 4 cos (3?x + 2)
A. 
units to the left
B. 2 units to the left
C. 
units to the right
D. 2 units to the right
Answer: A
Mathematics
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Multiply.(-x)(x - 7y)(x - 9y)
A. -x2 + 16xy - 63y2 B. -x3 - 16xy + 63y2 C. -x3 + 16x2y - 63xy2 D. -x3 - 16x2y + 63xy2
Mathematics
Determine whether the ordered pair is a solution of the given linear equation.x = 
y; (6, 48)
A. yes B. no
Mathematics
Provide an appropriate response.Explain why someone would want to solve 
for b.
What will be an ideal response?
Mathematics
Use the graph, along with the indicated points, to give the solution set of the equation or inequality.y1 > y2
A. (-?, 1] ? [5, ?) B. (1, 5) C. [1, 5] D. (-?, 1) ? (5, ?)
Mathematics