{VERSION 5 0 "IBM INTEL NT" "5.0" } {USTYLETAB {CSTYLE "Maple Input" -1 0 "Courier" 0 1 255 0 0 1 0 1 0 0 1 0 0 0 0 1 }{CSTYLE "2D Math" -1 2 "Times" 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 1 }{CSTYLE "2D Comment" 2 18 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 } {CSTYLE "2D Output" 2 20 "" 0 1 0 0 255 1 0 0 0 0 0 0 0 0 0 1 } {CSTYLE "" -1 256 "" 1 12 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 257 "" 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 258 "" 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 259 "" 1 12 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 260 "" 1 12 0 0 0 0 1 0 0 0 0 0 0 0 0 1 } {CSTYLE "" -1 261 "" 1 12 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 262 "" 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 263 "" 1 12 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 264 "" 1 12 0 0 0 0 1 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 265 "" 1 12 0 0 0 0 0 0 0 0 0 0 0 0 0 1 } {CSTYLE "" -1 266 "" 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 267 "" 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 268 "" 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 269 "" 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 270 "" 1 12 0 0 0 0 0 0 0 0 0 0 0 0 0 1 } {CSTYLE "" -1 271 "" 1 12 0 0 0 0 1 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 272 "" 1 12 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 273 "" 1 12 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 274 "" 1 18 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 275 "" 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 } {CSTYLE "" -1 276 "" 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 }{CSTYLE "" -1 277 "" 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 }{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 0 0 0 0 0 0 1 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "Heading 1" 0 3 1 {CSTYLE "" -1 -1 "" 1 18 0 0 0 0 0 1 0 0 0 0 0 0 0 1 }1 0 0 0 8 4 0 0 0 0 0 0 -1 0 } {PSTYLE "Heading 2" 3 4 1 {CSTYLE "" -1 -1 "" 1 14 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }0 0 0 -1 8 2 0 0 0 0 0 0 -1 0 }{PSTYLE "Heading 3" 4 5 1 {CSTYLE "" -1 -1 "" 1 12 0 0 0 0 1 0 0 0 0 0 0 0 0 1 }0 0 0 -1 0 0 0 0 0 0 0 0 -1 0 }{PSTYLE "Maple Output" 0 11 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }3 3 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "Maple Plot" 0 13 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 }3 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "R3 Font 0" -1 256 1 {CSTYLE "" -1 -1 "Helvetica" 1 12 0 0 0 1 2 1 2 0 0 0 0 0 0 1 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "R3 Font 2" -1 257 1 {CSTYLE "" -1 -1 "Courier" 1 12 0 0 0 1 2 2 2 0 0 0 0 0 0 1 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "" 3 258 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }3 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "" 4 259 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }3 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }} {SECT 0 {PARA 258 "" 0 "" {TEXT -1 43 "CONSTRUCTING A FUNCTION FROM IT S DERIVATIVE" }}{PARA 4 "" 0 "" {TEXT -1 0 "" }}{PARA 4 "" 0 "" {TEXT -1 18 "Calculus I Project" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{SECT 0 {PARA 3 "" 0 "" {TEXT -1 1 " " }{TEXT 256 11 "Objectives:" }}{PARA 0 " " 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 73 " To construct a fu nction numerically and graphically from its derivative." }}{PARA 0 "" 0 "" {TEXT -1 0 "" }{TEXT 257 0 "" }{TEXT 258 1 " " }}{PARA 0 "" 0 "" {TEXT -1 83 " To use a computer algebra system to construct a table fo r a function and its graph" }}{PARA 0 "" 0 "" {TEXT -1 30 " when the d erivative is given." }}}{SECT 0 {PARA 3 "" 0 "" {TEXT -1 1 " " }{TEXT 259 15 "Solved Example:" }}{PARA 0 "" 0 "" {TEXT -1 8 "For f '(" } {TEXT 266 1 "x" }{TEXT -1 4 ") = " }{XPPEDIT 18 0 "1/(x^2+1);" "6#*&\" \"\"F$,&*$%\"xG\"\"#F$F$F$!\"\"" }}{PARA 0 "" 0 "" {TEXT -1 9 "f(0) = \+ 2," }}{PARA 0 "" 0 "" {TEXT -1 18 "do the following :" }}{PARA 0 "" 0 "" {TEXT -1 44 "a) Construct a table of ten values for f (" }{TEXT 267 1 "x" }{TEXT -1 16 ") on [-5, 5]. " }}{PARA 0 "" 0 "" {TEXT -1 28 "b) Plot the graphs of f '(" }{TEXT 268 1 "x" }{TEXT -1 10 ") and f (" }{TEXT 269 1 "x" }{TEXT -1 13 ") on [-5, 5]." }}{PARA 0 "" 0 " " {TEXT -1 103 "c) Verify that the graph of f ' is indeed the graph \+ of the derivative of the constructed finction f." }}}{SECT 0 {PARA 3 "" 0 "" {TEXT -1 1 " " }{TEXT 260 9 "Solution:" }{TEXT 261 1 " " }} {SECT 0 {PARA 4 "" 0 "" {TEXT -1 1 " " }{TEXT 263 42 "a) Construct a t able of ten values for f(" }{TEXT 271 1 "x" }{TEXT 272 37 ") from it s derivative function f '(" }{TEXT 264 1 "x" }{TEXT 270 2 ")." }} {PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 87 " To con struct a table we first define the derivative function. We make a tab le using" }}{PARA 0 "" 0 "" {TEXT -1 5 " a " }{TEXT 275 9 "For .. do " }{TEXT -1 26 " loop. Note the syntax. " }}{EXCHG {PARA 0 "> " 0 " " {MPLTEXT 1 0 28 "fprime := x -> 1/(x^2 + 1);\n" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%'fprimeGf*6#%\"xG6\"6$%)operatorG%&arrowGF(*&\"\"\"F- ,&F-F-*$)9$\"\"#F-F-!\"\"F(F(F(" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 39 "fRight:= n -> fR ight(n-1)+fprime(n-1);\n" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%'fRightG f*6#%\"nG6\"6$%)operatorG%&arrowGF(,&-F$6#,&9$\"\"\"F1!\"\"F1-%'fprime GF.F1F(F(F(" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 15 "fRight(0):= \+ 2;\n" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>-%'fRightG6#\"\"!\"\"#" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 27 "L:= k -> [k, fRight(k)]; \n " }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%\"LGf*6#%\"kG6\"6$%)operatorG%&a rrowGF(7$9$-%'fRightG6#F-F(F(F(" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 43 "for k from 1 by 1 to 5 do print (L(k)) od;\n" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#7$\"\"\"\"\"$" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#7$ \"\"##\"\"(F$" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#7$\"\"$#\"#P\"#5" }} {PARA 11 "" 1 "" {XPPMATH 20 "6#7$\"\"%#\"#>\"\"&" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#7$\"\"&#\"$G$\"#&)" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 37 "fLeft:= k -> fLeft(k+1) - fprime(k);\n" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%& fLeftGf*6#%\"kG6\"6$%)operatorG%&arrowGF(,&-F$6#,&9$\"\"\"F1F1F1-%'fpr imeG6#F0!\"\"F(F(F(" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 14 "fLef t(0):= 2;\n" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>-%&fLeftG6#\"\"!\"\"# " }}}{PARA 11 "" 1 "" {TEXT -1 0 "" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 25 "L:= k -> [k,fLeft(k)]; \n" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%\"LGf*6#%\"kG6\"6$%)operatorG%&arrowGF(7$9$-%&fLeftG6 #F-F(F(F(" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 46 "for k from -1 \+ by -1 to -5 do print (L(k)) od;\n" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#7 $!\"\"#\"\"$\"\"#" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#7$!\"##\"#8\"#5" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#7$!\"$#\"\"'\"\"&" }}{PARA 11 "" 1 " " {XPPMATH 20 "6#7$!\"%#\"#(*\"#&)" }}{PARA 11 "" 1 "" {XPPMATH 20 "6# 7$!\"&#\"%PC\"%5A" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}} {SECT 0 {PARA 4 "" 0 "" {TEXT -1 1 " " }{TEXT 273 31 "b) Graphs of f \+ (x) and f '(x) " }}{PARA 0 "" 0 "" {TEXT -1 19 " We first define " } {TEXT 276 6 "fgraph" }{TEXT -1 56 ", the graph of f as a set of line \+ segments obtained by " }}{PARA 0 "" 0 "" {TEXT -1 30 "the two parts of the function " }{TEXT 277 15 "graph of fprime" }{TEXT -1 1 "." }} {PARA 0 "" 0 "" {TEXT -1 73 "Then we display both fgraph and graph \+ of fprime in the same window. " }}{PARA 0 "" 0 "" {TEXT -1 59 "Note \+ the use of a colon (:) to postpone the actual display." }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 12 "with(plots):" }}}{EXCHG {PARA 0 "> \+ " 0 "" {MPLTEXT 1 0 42 "fprimegraph:= plot(fprime(y), y = -5..5): " }} }{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 " " {MPLTEXT 1 0 171 "li:= [[-5,fLeft(-5)],[-4,fLeft(-4)],[-3,fLeft(-3)] ,[-2,fLeft(-2)],[-1,fLeft(-1)],[0,fLeft(0)],[1, fRight(1)],[2, fRight( 2)],[3, fRight(3)],[4, fRight(4)],[5, fRight(5)]];\n" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%#liG7-7$!\"&#\"%PC\"%5A7$!\"%#\"#(*\"#&)7$!\"$#\" \"'\"\"&7$!\"##\"#8\"#57$!\"\"#\"\"$\"\"#7$\"\"!F>7$\"\"\"F=7$F>#\"\"( F>7$F=#\"#PF97$\"\"%#\"#>F47$F4#\"$G$F/" }}}{EXCHG {PARA 11 "" 1 "" {TEXT -1 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 32 "fgraph:= pl ot(li,style = line): " }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 31 "di splay(fprimegraph, fgraph); \n" }}{PARA 13 "" 1 "" {GLPLOT2D 235 206 206 {PLOTDATA 2 "6&-%'CURVESG6$7ao7$$!\"&\"\"!$\"3QYQ:YQ:YQ!#>7$$!3YLL Le%G?y%!#<$\"3G\"\\24&eu*=%F-7$$!3OmmT&esBf%F1$\"3M#*HlM'ep_%F-7$$!3AL L$3s%3zVF1$\"31h*p#R(*Gc\\F-7$$!3_LL$e/$QkTF1$\"3-xor_D%>X&F-7$$!3ommT 5=q]RF1$\"3DPXyk$y6-'F-7$$!3ILL3_>f_PF1$\"3oThr]RWImF-7$$!3K++vo1YZNF1 $\"3cs$ydGV8O(F-7$$!3;LL3-OJNLF1$\"3e*o;ES()yC)F-7$$!3p***\\P*o%Q7$F1$ \"3#36J\")oX]H*F-7$$!3Kmmm\"RFj!HF1$\"3olN'zNm&e5!#=7$$!33LL$e4OZr#F1$ \"3#QT@6\"Gx%>\"F[o7$$!3u*****\\n\\!*\\#F1$\"3_'*>*3w9-Q\"F[o7$$!3%)** ***\\ixCG#F1$\"3?zZ%*)o#Q5;F[o7$$!3#******\\KqP2#F1$\"37***3b:1m)=F[o7 $$!39LL3-TC%)=F1$\"3q#)GKr1i(>#F[o7$$!3[mmm\"4z)e;F1$\"3U^ip<#F[o$\"3e]9y:o_\\&*F[o7$$!3FK$3Fpy7k\"F[o$\"3ld;<7moP(*F[o7$$!3g*** \\7yQ16\"F[o$\"3e8&Gv<^\"y)*F[o7$$!3iK$3_D)=`%)F-$\"3yl[A(e]!H**F[o7$$ !3Epm\"zp))**z&F-$\"3%e\"ex:HZm**F[o7$$!3#f+D19*yYJF-$\"3KBI#R^2,***F[ o7$$!3vDMLLe*e$\\!#?$\"3cr'e_Pc(****F[o7$$\"3+l;a)3RBE#F-$\"3-cJ3SW)[* **F[o7$$\"3bsmTgxE=]F-$\"3M)=&yZ-)[(**F[o7$$\"37!o\"HKk>uxF-$\"3!G4)=_ \\#*R**F[o7$$\"3womT5D,`5F[o$\"3!*RXK(\\K.*)*F[o7$$\"3Gq;zW#)>/;F[o$\" 3g5XW*H6\"\\(*F[o7$$\"3!=nm\"zRQb@F[o$\"3Uc5/*>cgb*F[o7$$\"3mOLL$e,]6$ F[o$\"3%=.T@[,b6*F[o7$$\"3_,+](=>Y2%F[o$\"3WSTRoQ9w&)F[o7$$\"36QLe*[K5 6&F[o$\"3*=>+iv*yGzF[o7$$\"3summ\"zXu9'F[o$\"33WhA:LOdsF[o7$$\"3#yLLe9 i\"=sF[o$\"3?4@ga8aulF[o7$$\"3#4+++]y))G)F[o$\"3/lqC)y)[FfF[o7$$\"3%>+ +DcljL*F[o$\"3Y1L'zd,GM&F[o7$$\"3H++]i_QQ5F1$\"3VbP(oka<\"[F[o7$$\"3U+ ](=-N(R6F1$\"39N/g()\\s\\VF[o7$$\"3b++D\"y%3T7F1$\"3e_\"[=?cl$RF[o7$$ \"3+++]P![hY\"F1$\"3UeqHij,vJF[o7$$\"3iKLL$Qx$o;F1$\"3<)*Qq#=nIk#F[o7$ $\"3Y+++v.I%)=F1$\"3%y#ocd#=v>#F[o7$$\"3?mm\"zpe*z?F1$\"3Q#)=)eB,v(=F[ o7$$\"3;,++D\\'QH#F1$\"3[#))Qpt!)pf\"F[o7$$\"3%HL$e9S8&\\#F1$\"3IM^*o: ]RQ\"F[o7$$\"3s++D1#=bq#F1$\"3dQ4Y9y%>?\"F[o7$$\"3\"HLL$3s?6HF1$\"3?\\ `8zZRb5F[o7$$\"3a***\\7`Wl7$F1$\"3%*)y\"f(o+0G*F-7$$\"3enmmm*RRL$F1$\" 3Gj'e9@CTD)F-7$$\"3%zmmTvJga$F1$\"3-rNN>+%oO(F-7$$\"3]MLe9tOcPF1$\"34! oGOI/!=mF-7$$\"31,++]Qk\\RF1$\"3qw=$395U-'F-7$$\"3![LL3dg6<%F1$\"3uTG` 9>?NaF-7$$\"3%ymmmw(GpVF1$\"3#HpK\\TLu(\\F-7$$\"3C++D\"oK0e%F1$\"3#42^ ;oD$\\XF-7$$\"35,+v=5s#y%F1$\"3QU2DpLe)=%F-7$$\"\"&F*F+-%'COLOURG6&%$R GBG$\"#5!\"\"$F*F*Fdal-F$6%7-7$F($\"3\"ppE@$\\r-6F17$$!\"%F*$\"3CN#)eq k\"F17$$!\"#F*$\"3/+++++++8F17$$Fcal F*$\"3++++++++:F17$Fdal$\"\"#F*7$$\"\"\"F*$\"\"$F*7$F_cl$\"3++++++++NF 17$Fdcl$\"3;+++++++PF17$$\"\"%F*$\"3#)*************z$F17$F[al$\"3wk " 0 "" {MPLTEXT 1 0 0 "" }}}}{SECT 0 {PARA 4 "" 0 "" {TEXT 265 86 "c) Veri fy that the graph of f ' is indeed the graph of the constructed func tion f. " }}{PARA 0 "" 0 "" {TEXT -1 82 " The function f is increas ing on [-5, 5]. It is concave up, meaning increasing " }}{PARA 0 "" 0 "" {TEXT -1 87 "at an increasing rate on [-5, 0], and concave down, \+ meaning increasing at a decreasing " }}{PARA 0 "" 0 "" {TEXT -1 55 "ra te on [0, 5], with a point of inflection at x = 0. " }}{PARA 0 "" 0 "" {TEXT -1 81 " The graph of the derivative of fprime is positive i ncreasing on [-5,0], has a " }}{PARA 0 "" 0 "" {TEXT -1 55 "maximum at 0 and then is decreasing and still positive." }}{PARA 0 "" 0 "" {TEXT -1 94 " In this manner the graph of f ' is indeed the graph of the derivative of the constructed f." }}}}{PARA 5 "" 0 "" {TEXT -1 64 "________________________________________________________________" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 259 "" 0 "" {TEXT 274 10 "ASSI GNMENT" }}{SECT 0 {PARA 5 "" 0 "" {TEXT -1 1 " " }{TEXT 262 8 "Problem :" }}{PARA 0 "" 0 "" {TEXT -1 15 " For f '(x) = " }{XPPEDIT 18 0 "ln( 1+x^2);" "6#-%#lnG6#,&\"\"\"F'*$%\"xG\"\"#F'" }}{PARA 0 "" 0 "" {TEXT -1 12 " f(0) = -2," }}{PARA 0 "" 0 "" {TEXT -1 29 "a) Construct f(x) \+ on [-4, 4]." }}{PARA 0 "" 0 "" {TEXT -1 37 "b) Plot f(x) and f '(x) on [-4, 4]. " }}{PARA 0 "" 0 "" {TEXT -1 107 "c) Verify that the graph \+ of f ' is indeed the graph of the derivative of the constructed fun ction f on" }}{PARA 0 "" 0 "" {TEXT -1 13 " [-4, 4]." }}}{PARA 0 "" 0 "" {TEXT -1 67 " ______________________________________________ ____________________" }}{PARA 0 "" 0 "" {TEXT -1 2 " " }}{PARA 0 "" 0 "" {TEXT -1 99 "MSIP Grant #P120A80089-98: \"Three Urban Calculus R eform Programs: Adopting the Best\" 1998-2001 " }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 1 " " }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 3 " " }}}{MARK "9 0" 1 }{VIEWOPTS 1 1 0 1 1 1803 1 1 1 1 } {PAGENUMBERS 0 1 2 33 1 1 }