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{SECT 0 {EXCHG {PARA 3 "" 0 "" {TEXT -1 18 "Rational Functions" }}
{PARA 0 "" 0 "" {TEXT -1 15 " Example: For  " }{XPPEDIT 18 0 "f(x) = 2
/(x+2);" "6#/-%\"fG6#%\"xG*&\"\"#\"\"\",&%\"xG\"\"\"\"\"#F-!\"\"" }}
{PARA 0 "" 0 "" {TEXT -1 113 "(i) Find the vertical and horizontal ays
mptotes by using the \"short cut\" we did in class. (j) Graph the func
tion." }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 15 "f:=x-> 2/(x+2);" }
}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 15 "evalf(f(1000));" }}}
{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 15 "evalf(f(-1000);" }}}{EXCHG 
{PARA 0 "" 0 "" {TEXT 256 97 "To graph the function, select proper val
ues \"a\", \"b\",\"c\" and \"d\" below before you plot the graph." }}}
{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 18 "plot(f,a..b,c..d);" }{TEXT 
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{TEXT -1 16 "Example 2. For  " }{XPPEDIT 18 0 "f(x) = 2*x^3/((x+2)*(2*
x-1)*(x-1));" "6#/-%\"fG6#%\"xG*(\"\"#\"\"\"*$)%\"xG\"\"$F*F**(,&%\"xG
\"\"\"\"\"#F2F2,&*&\"\"#F2F1F2F2\"\"\"!\"\"F2,&F1F2\"\"\"F8F2!\"\"" }}
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" }}{PARA 0 "" 0 "" {TEXT -1 113 "(i) Find the vertical and horizontal
 aysmptotes by using the \"short cut\" we did in class. (j) Graph the \+
function." }}}}{MARK "8" 0 }{VIEWOPTS 1 1 0 1 1 1803 }