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{SECT 0 {EXCHG {PARA 0 "" 0 "" {TEXT -1 14 "Extra Credits:" }}{PARA 0 
"" 0 "" {TEXT -1 2 "I." }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 25 "f:=x-> (x+1)*(x-2)*(x-4);" }}}
{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 19 "g:=x-> int(f(x),x);" }}}
{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 5 "g(x);" }}}{EXCHG {PARA 0 "> \+
" 0 "" {MPLTEXT 1 0 18 "h:=x->int(g(x),x);" }}}{EXCHG {PARA 0 "> " 0 "
" {MPLTEXT 1 0 5 "h(x);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 13 "
factor(h(x));" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 53 "plot(\{f(x
),g(x),h(x)\},x=-5..5,y=-20..20,thickness=2);" }}}{EXCHG {PARA 0 "" 0 
"" {TEXT -1 11 "Questions: " }}{PARA 0 "" 0 "" {TEXT -1 78 "(1) Can yo
u identify the graphs of  y=f(x), y=g(x),  and  y=h(x) respectively?" 
}}{PARA 0 "" 0 "" {TEXT -1 83 "(2) Can you describe the relationships \+
between f  and g, and f  and h respectively?" }}{PARA 0 "" 0 "" {TEXT 
-1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 3 "II." }}}{EXCHG {PARA 0 "> " 0 "
" {MPLTEXT 1 0 45 "plot((1/x)*sin(1/x),x=-0.1..0.1,y=-100..100);" }}}
{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 26 "limit((1/x)*sin(1/x),x=0);" 
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