Use the properties of logarithms to write the expression as a single logarithm.log2 x + 4log2 x - log2 (x - 7)

A. log2 
B. log2 
C. log2  [x5(x - 7)]
D. log2 

Answer: A

Mathematics

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A. No B. Yes

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Solve the exponential equation. For irrational solutions, round to four decimal places.3x - 1 = 17

A. {1.5789} B. {6.6667} C. {2.7268} D. {3.5789}

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Graph the curve.r = 1 - 6 sin ? (limacon with a loop)

A.

B.

C.

D.

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A nonlinear system is given, along with the graphs of both equations in the system. Determine if the points of intersection specified on the graph are solutions of the system by substituting directly into both equations.y = ln(4x + 2)y = 

A. Yes B. No

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