Determine a window that will provide a comprehensive graph of the polynomial function.y = 0.62x3 - 5x2 + 11x + 8

A. [-30, 80] by [-8000, 4000]
B. [-50, 100] by [-1000, 6000]
C. [-20, 10] by [-3000, 2000]
D. [-100, 10] by [-7500, 1000]


Answer: A

Mathematics

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Simplify.

A. - 
B. 0
C. ± 
D.

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Calculate.9 ? 2 - 9 ? 82 + 6( 9 - 3)

A. -507 B. -90 C. -522 D. -5130

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Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula , as needed.Find [H3O+] if the pH = 14.

A. 3.0 x 10-14 B. 1.0 x 1014 C. 1.0 x 10-14 D. 2.0 x 1014

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Find the real solutions of the equation. = -1

A. {-1} B. {1} C. {2} D. {-2}

Mathematics