Find the least common denominator (LCD). , 

A. 3(x - 4)(x - 3)
B. 3(x + 4)(x - 3)
C. 3(x + 4)(x + 3)
D. 3(x - 4)(x + 3)


Answer: A

Mathematics

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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 

A. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: parabolas 
B. Domain: all points in the xy-plane excluding x = 0; range: all real numbers; level curves: parabolas 
C. Domain: all points in the xy-plane excluding x = 0; range: real numbers z ? 0; level curves: parabolas 
D. Domain: all points in the xy-plane; range: all real numbers; level curves: parabolas 

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Factor the polynomial completely using the trial and error method.-2x2 - 10x - 12

A. prime B. -(2x + 3)(x + 4) C. -(2x + 4)(x + 3) D. -(2x - 4)(x - 3)

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Answer the question.Choose the expression that is equivalent to the following: 9x + 3y

A. 3(6x + y) B. 3(3x + y) C. 12xy D. 3(3x + 3y)

Mathematics

Solve the problem.The table shows the total yearly attendance at home football games in thousands. The attendance numbers are rounded to the nearest thousand. Plot the data in a Cartesian coordinate system. Year

A.

Year

B.

Year

C.

Year

D.

Year

Mathematics