Find the domain and the range for the function.
A. D: (-?, 5) ? (5, ?), R: (-?, 10) ? (10, ?)
B. D: (-?, -5) ? (-5, ?), R: (-?, -10) ? (-10, ?)
C. D: (-?, ?), R: (-?, ?)
D. D: (-?, 10) ? (10, ?), R: (-?, 5) ? (5, ?)
Answer: A
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Solve the problem by combining like terms.Find the perimeter of a triangle whose sides are of lengths 2x, and x.
A. -5x B. 5x - 9 C. 4x - 9 D. 4x2 - 18x
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A.
B.
C.
D.
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