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(1 point) Consider y = x2 + 2x for x E R. Determine where y is increasing, decreasing, concave up, and concave down. Enter your

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(1 point) Consider y = x2 + 2x for x E R. Determine where y is increasing, decreasing, concave up, and concave down. Enter your answers using interval notation. y is increasing on y is decreasing on y is concave up on y is concave down on Use your answers above to sketch a graph of y. K

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