Write as the sum and/or difference of logarithms. Express powers as factors.log2

A. log2
B. 7log2y - 4log2x
C. 4log2x + 7log2y
D. 4log2x - 7log2y

Answer: D

Mathematics

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Solve the equation for exact solutions.arctan x = arccot 

A. ?
B.
C.
D. {0}

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Sketch the graph of the quadratic function. Identify the vertex and the axis of symmetry.f(x) = x2 + 3x + 2

A. vertex: 
axis of symmetry: x = 

B. vertex: 
axis of symmetry: x = - 

C. vertex: 
axis of symmetry: x = - 

D. vertex:  
axis of symmetry: x = 

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Find the value(s) of the function, subject to the system of inequalities.Find the maximum and minimum of  subject to:0 ? x ? 10, 0 ? y ? 5, 3x + 2y ? 6.

A. 15, 9 B. 190, 9 C. 205, 9 D. 205, 190

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Convert the given unit of measure to the measure shown.67.98 meters to millimeters

A. 0.068 millimeter B. 0.68 millimeter C. 6798 millimeters D. 67,980 millimeters

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Mathematics