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Unformatted text preview: x 6 = 3. (a) In part (a) were asked for the limit as x approaches 3 from the left , so lim x 3-f ( x ) = lim x 3--( x + 2) =-5 (b) The limit in part (b) is as x approaches 3 from the right , so lim x 3 + f ( x ) = lim x 3 + ( x + 2) = 5 (c) From parts (a) and (b), the left-hand and right-hand limits of f are not the same for x approaching 3, so the limit of f ( x ) as x 3 does not exist. That is, lim x 3 f ( x ) = DNE ....
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- Fall '10