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 April 9th, 2017, 10:59 PM #1 Senior Member   Joined: Apr 2008 Posts: 194 Thanks: 3 How to distinguish between these two graphs? Consider the two functions f(x) = x^2 and g(x) = 1/|x|. The first one is a parabola with the vertex at the origin. The second one is an absolute value function with a V-shaped graph. If you take the reciprocal of both functions, their graphs look very similar. Both have an asymptote along each axis and their curves are in quadrants one and two. If you just see their reciprocal graphs, how can you tell which graph is represented by which reciprocal function? Can someone explain this? Thanks a lot.
 April 9th, 2017, 11:29 PM #2 Senior Member     Joined: Sep 2015 From: USA Posts: 2,456 Thanks: 1338 look at the point $x=\dfrac 1 2$ Thanks from davedave

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