Factor.y2 + 10y + 21
A. (y - 3)(y - 7)
B. (y + 21)(y + 1)
C. (y + 3)(y + 7)
D. (y - 3)(y + 7)
Answer: C
Mathematics
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A. + C
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What will be an ideal response?
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Find the intersection of the given intervals.[-2, ?) ? (-?, 3]
A. [-2, 3] B. [-2, ?) C. (-?, 3] D. (-?, ?)
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Find the amplitude, period, or phase shift as specified.Find the amplitude of y = -5 cos .
A. 3?
B. 5
C. -15
D.
Mathematics