Find the pivot in the tableau. 

A. 4 in row 1, column 3
B. 6 in row 2, column 1
C. 5 in row 2, column 5
D. 3 in row 1, column 1


Answer: D

Mathematics

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Solve.x2 - 25y2 = 36x + 5y = 4

A.
B. No real solutions exist.
C.
D.

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Find the derivative of the function by using the definition.y = 4x - 9x3 

A. 4x - 27x3  B. 4x - 27x2  C. 4 - 9x2  D. 4 - 27x2 

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Find an equation for the ellipse described. Graph the equation.Foci at (1, 4) and (7, 4); length of major axis is 10

A.

 +  = 1
B.

 +  = 1
C.

 +  = 1
D.

 +  = 1

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Find the value of the constant k that makes the function continuous.h(x) = 

A. k = 27 B. k = 3 C. k = 0 D. k = -9

Mathematics