Find the opposite of the polynomial.6x9 - 9x8

A. -9x9 + 6x8
B. 6x9 + 9x8
C. -6x9 - 9x8
D. -6x9 + 9x8


Answer: D

Mathematics

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Find the ordered triple that belongs to the set.{8y, y, y - 5|y = 2}

A. (2, -3, 16) B. (16, -3, 2) C. (2, 16, -3) D. (16, 2, -3)

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Perform the indicated operation.Subtract. 4n6 - 20n4 + 3

A. -3n6 - 36n4 + 20 B. -3n6 - 36n4 - 14 C. -53n10 D. -3n6 - 13n4 + 20

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Given , find . ?

A. -31 B. 1 C. -19 D. 31 E. -23

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Solve the problem.Find the points where the graph of the function have horizontal tangent lines.f(x) = x3 - 21x

A. (-, 14), (, -14)
B. (-7, -196), (, 196)
C. (, -42)
D. (-, 42), (0,0), (, -42)

Mathematics