Use the properties of limits to help decide whether each limit exists. If a limit exists, find its value. 6x² + 2x lim x→∞ 7x² 7x² -5x+1 Select the correct choice below and, if necessary, fill in the answer box with your choice. O A. lim 6x² + 2x 7x² -5x+1 X→∞ 7x (Simplify your answer. Type an integer or a fraction.) OB. The limit does not exist and is neither ∞ nor -0.

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