Solve the problem.The number of births in a certain state is shown in the bar graph as a function of the month. What is the domain of this function?

A. {October, November, December, January, February, March, April}
B. {October, April}
C. {(October, 1693), (April, 2190)}
D. {1693, 1801, 1887, 1872, 1956, 1961, 2190}


Answer: A

Mathematics

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A. 0
B. 2
C.
D.

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Perform the indicated operations. Write the resulting polynomial in standard form.(x + 4y)(x - 4y)3

A. x4 + 16x3y - 64xy3 - 256y4 B. x4 - 16x3y + 64xy3 - 256y4 C. x4 + 8x3y - 128xy3 - 256y4 D. x4 - 8x3y + 128xy3 - 256y4

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Simplify the algebraic expression.1 - 4[3 - (2x + 2)]

A. 8x - 19 B. -2x - 3 C. -2x - 19 D. 8x - 3

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Use the method suggested to compute mentally.Use front-end multiplying.  

A. 540 B. 539 C. 542 D. 541

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