Expression 6: "r" Subscript, "p" , Baseline equals left parenthesis, StartFraction, "i" "v" minus "c" Over "i" "v" plus "c" , EndFraction , right parenthesis squared Has graph. To audio trace, press ALT+T.rp=iv−civ+c2
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Expression 7: StartFraction, left parenthesis, "r" Subscript, "s" , Baseline plus "r" Subscript, "p" , Baseline , right parenthesis Over 2 , EndFraction left brace, "x" less than 0 , right brace Has graph. To audio trace, press ALT+T.rs+rp2x<0
Expression 9: "L" left parenthesis, max left parenthesis, 0 , 1 minus "C" , right parenthesis to the 5th power , 1 , left parenthesis, StartFraction, 1 minus "i" Over 1 plus "i" , EndFraction , right parenthesis squared , right parenthesis left brace, "x" greater than 0 , right brace Has graph. To audio trace, press ALT+T.Lmax0,1−C5,1,1−i1+i2x>0
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Expression 10: "C" equals StartRoot, 1 minus left parenthesis, max left parenthesis, 1 , "i" , right parenthesis sin left parenthesis, "x" , right parenthesis , right parenthesis squared , EndRoot left brace, abs left parenthesis, "x" , right parenthesis less than StartFraction, pi Over 2 , EndFraction , right braceC=1−max1,isinx2absx<π2
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Expression 11: "L" left parenthesis, "a" , "b" , "k" , right parenthesis equals left parenthesis, 1 minus "k" , right parenthesis "a" plus "k" "b"La,b,k=1−ka+kb