Expression 6: "g" left parenthesis, "x" , right parenthesis equals arc tangent left parenthesis, left parenthesis, 2 pi , right parenthesis Superscript, alpha , Baseline left parenthesis, 1 minus "x" , right parenthesis minus 4 "c" Subscript, 1 , Baseline , right parenthesis plus arc tangent left parenthesis, 4 "c" Subscript, 1 , Baseline , right parenthesisgx=arctan2πα1−x−4c1+arctan4c1
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Expression 7: "h" left parenthesis, "x" , right parenthesis equals StartFraction, "D" Over 2 , EndFraction left parenthesis, 1 minus "x" , right parenthesishx=D21−x
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Expression 8: "y" equals left parenthesis, "f" left parenthesis, "x" , right parenthesis plus "h" left parenthesis, "x" , right parenthesis , right parenthesis "g" left parenthesis, "x" , right parenthesisy=fx+hxgx
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Expression 9: "y" equals negative left parenthesis, "f" left parenthesis, "x" , right parenthesis plus "h" left parenthesis, "x" , right parenthesis , right parenthesis "g" left parenthesis, "x" , right parenthesisy=−fx+hxgx
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Expression 10: "g" left parenthesis, "x" , right parenthesisgx
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Expression 11: "f" left parenthesis, "x" , right parenthesisfx
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Expression 12: "h" left parenthesis, "x" , right parenthesishx