Find the phase shift of the function.y = 4 cos 

A.  units to the left
B. ? units to the left
C. 4? units to the right
D.  units to the right

Answer: B

Mathematics

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Simplify. Unless otherwise specified, assume that variables can represent any number.- 

A. Not a real number B. -25 C. -4 D. -5

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Find the sum without the use of a number line.-3.0 + (-5.5) + (-4.9)

A. 2.4 B. -13.4 C. -7.4 D. 3.6

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Use the Negative Exponent Rules to simplify. Write the answer with positive exponents. All variables are nonzero.-3

A. - 
B.
C. - 
D.

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Provide an appropriate response.Give an equation or inequality that states the distance between  is less than 5.

A. 3x - 9 < 5 B. |3x - 9| > 5 C. |3x - 9| < 5 D. |3x + 9| > -5

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