Sketch the graph of the given equation over the interval [-2?, 2?].y = cos x - 1 

A.

B.

C.

D.

Answer: C

Mathematics

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Calculate. Write answer in lowest terms.2 + 4

A. 6
B. 7
C. 6
D. 6

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Express as a single logarithm and, if possible, simplify.logw (x2 - 4) - logw (x - 2)

A.
B. logw 
C. logw (x2 - 4)(x - 2)
D. logw (x + 2)

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Mathematics

Indicate whether the statement is true always, sometimes, or never.The sum of two imaginary numbers is an imaginary number.

A. Always B. Sometimes C. Never

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Mathematics

Solve the equation.x - x = 3

A. {-90} B. {45} C. {-45} D. {90}

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Mathematics