Graph the function.y = -cot (?x)

A.

B.

C.

D.

Answer: C

Mathematics

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Write the improper fractions as whole or mixed numbers. 

A. 3
B. 2
C. 3
D. 4

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Factor by grouping.3x2 + 7xy + 21x + 49y

A. (x - 7)(3x - 7y) B. (3x + 7y)(3x + 7) C. (x + 7)(3x + 7y) D. (3x + 7)(7x + 3y)

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Solve the problem.A label on a box shows that the box weighs 200 kilograms. How many pounds is that?

A. 508 pounds B. 90.8 pounds C. 212 pounds D. 440 pounds

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Find the common difference for the arithmetic sequence.x - 11y, 2x - 9y, 3x - 7y, ...

A. x - 2y B. -x + 2y C. x + 2y D. -x - 2y

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