Expression 7: "c" left parenthesis, "x" , right parenthesis equals left brace, "x" less than 0 : StartFraction, "x" Over 0 , EndFraction , .8 5 "x" greater than or equal to "d" plus 8 : StartFraction, "h" Over "x" minus left parenthesis, "d" plus 8 , right parenthesis , EndFraction , .8 5 "x" less than "d" plus 8 : StartFraction, "h" Over .1 5 "x" , EndFraction , right bracecx=x<0:x0,.85x≥d+8:hx−d+8,.85x<d+8:h.15x
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Expression 8: "i" left parenthesis, "x" , right parenthesis equals left brace, "x" less than 0 : StartFraction, "x" Over 0 , EndFraction , .8 5 "x" greater than or equal to "d" plus 4 : StartFraction, "h" plus 100 Over left parenthesis, "x" minus left parenthesis, "d" plus 4 , right parenthesis , right parenthesis , EndFraction , .8 5 "x" less than "d" plus 4 : StartFraction, "h" plus 100 Over .1 5 "x" , EndFraction , right braceix=x<0:x0,.85x≥d+4:h+100x−d+4,.85x<d+4:h+100.15x
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Expression 9: "j" left parenthesis, "x" , right parenthesis equals "a" left parenthesis, "x" , right parenthesis left brace, "a" left parenthesis, "x" , right parenthesis greater than "b" left parenthesis, "x" , right parenthesis , right brace left brace, "a" left parenthesis, "x" , right parenthesis greater than "c" left parenthesis, "x" , right parenthesis , right brace left brace, "a" left parenthesis, "x" , right parenthesis greater than "i" left parenthesis, "x" , right parenthesis , right brace Has graph. To audio trace, press ALT+T.jx=axax>bxax>cxax>ix
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Expression 10: "k" left parenthesis, "x" , right parenthesis equals "b" left parenthesis, "x" , right parenthesis left brace, "b" left parenthesis, "x" , right parenthesis greater than "a" left parenthesis, "x" , right parenthesis , right brace left brace, "b" left parenthesis, "x" , right parenthesis greater than "c" left parenthesis, "x" , right parenthesis , right brace left brace, "b" left parenthesis, "x" , right parenthesis greater than "i" left parenthesis, "x" , right parenthesis , right brace Has graph.kx=bxbx>axbx>cxbx>ix
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Expression 11: "l" left parenthesis, "x" , right parenthesis equals "c" left parenthesis, "x" , right parenthesis left brace, "c" left parenthesis, "x" , right parenthesis greater than "a" left parenthesis, "x" , right parenthesis , right brace left brace, "c" left parenthesis, "x" , right parenthesis greater than "b" left parenthesis, "x" , right parenthesis , right brace left brace, "c" left parenthesis, "x" , right parenthesis greater than "i" left parenthesis, "x" , right parenthesis , right brace Has graph. To audio trace, press ALT+T.lx=cxcx>axcx>bxcx>ix
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Expression 12: "n" left parenthesis, "x" , right parenthesis equals "i" left parenthesis, "x" , right parenthesis left brace, "i" left parenthesis, "x" , right parenthesis greater than "a" left parenthesis, "x" , right parenthesis , right brace left brace, "i" left parenthesis, "x" , right parenthesis greater than "b" left parenthesis, "x" , right parenthesis , right brace left brace, "i" left parenthesis, "x" , right parenthesis greater than "c" left parenthesis, "x" , right parenthesis , right brace Has graph. To audio trace, press ALT+T.nx=ixix>axix>bxix>cx
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Expression 13: "x" equals "m" equals 50 Has graph. To audio trace, press ALT+T.x=m