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{SECT 0 {EXCHG {PARA 256 "" 0 "" {TEXT -1 35 "Estimation and Limits --
 Continuity" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT 
-1 120 "The following cell illustrates the way in which Maple can prod
uce misleading graphs of functions with discontinuties.   " }{TEXT 
256 16 "Evaluate it now." }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 84 "f := proc(x)\n     if x < 1 then 1 \+
else 2 fi\n     end:\n\nplot('f(x)', x = 0..2, 0..2);" }}}}{MARK "1 0 \+
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