Solve the equation.(x - 7)(x + 9) = 0

A. {7, -7, 9, -9}
B. {7, 9}
C. {7, -9}
D. {-7, 9}


Answer: C

Mathematics

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Solve the problem.The graphs below show the first and second derivatives of a function y = f(x). Select a possible graph f that passes through the point P.f'?f"?

A.

[NOTE: Graph vertical scales may vary from graph to graph.]
B.  

[NOTE: Graph vertical scales may vary from graph to graph.]
C.

[NOTE: Graph vertical scales may vary from graph to graph.]
D.

[NOTE: Graph vertical scales may vary from graph to graph.]

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Provide an appropriate response.Explain how you would convert  to decimal notation.

What will be an ideal response?

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Solve using the elimination method. Use a graphing calculator to check your answer.x + y = 4x - 2y = 21

A. (6, 8) B. (-6, -8) C. (6, -8) D. (-6, 8)

Mathematics

Solve the logarithmic equation.log x = 5

A. 5 B. 50 C. 100,000 D. 0.5

Mathematics