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(Solved): 12. The figure to the right depicts the graph of the equation \( y=1 / x \). Points \( P \) and \( ...
12. The figure to the right depicts the graph of the equation \( y=1 / x \). Points \( P \) and \( Q \) are given as points of intersection of a tangent line with the \( x \) - and \( y \)-axes, respectively. If \( P \) is moving to the right at \( 5 \mathrm{~mm} / \mathrm{sec} \), how fast is \( Q \) moving down when \( P \) is \( 2 \mathrm{~mm} \) from the \( y \)-axis?
Expert Answer
From diagram slope of tangent line:- m=QP