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You need to make sure that there are actually inflection points by plugging in values near the x solution into the function of x. Inflection points may or may not be present despite finding x solutions or undefined "points" when the second derivative is
Your answer was obtained by multiplying the derivatives incorrectly. No worries! 1. Draw a rectangular box with a straight line at the bottom poking out. This line represents the 3 ft from the building that the ladder is at. *Because the ladder is moving

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