Use a sign chart to solve the inequality. Express the solution in inequality notation and in interval notation $x^3 < 49x$
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To create a sign chart, we need to find the critical points where the expression x^3 - 49x changes sign. These critical points occur when x = 0 and when x = 49. We will test the intervals (-∞, 0), (0, 49), and (49, ∞) by plugging in test values into the Show more…
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