Expression 6: "r" left parenthesis, "x" , right parenthesis equals 2 pi mod left parenthesis, 10 to the 4th power sin left parenthesis, 10 to the 4th power "x" , right parenthesis , 1 , right parenthesisrx=2πmod104sin104x,1
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Expression 7: "s" left parenthesis, "x" , "n" , right parenthesis equals Start sum from "i" equals 1 to "n" , end sum, StartFraction, 1 Over 2 Superscript, "i" , Baseline , EndFraction "b" left parenthesis, 2 Superscript, "i" , Baseline "x" , "i" , right parenthesissx,n=n∑i=112ib2ix,i
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Expression 8: "s" Subscript, "p" , Baseline left parenthesis, "x" , "n" , right parenthesis equals Start sum from "i" equals 1 to "n" , end sum, StartFraction, 1 Over 2 Superscript, "i" , Baseline , EndFraction "b" left parenthesis, 2 Superscript, "i" , Baseline "x" , "i" , right parenthesis "p" left parenthesis, "x" , "i" minus 1 , right parenthesisspx,n=n∑i=112ib2ix,ipx,i−1
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Expression 9: "p" left parenthesis, "x" , "n" , right parenthesis equals Start product from "j" equals 1 to "n" , end product, "a" left parenthesis, 2 Superscript, "j" , Baseline "x" , "j" , right parenthesispx,n=n∏j=1a2jx,j
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Expression 10: "s" left parenthesis, "x" , 8 , right parenthesis Has graph. To audio trace, press ALT+T.sx,8
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Expression 11: "s" Subscript, "p" , Baseline left parenthesis, "x" , 8 , right parenthesis plus 2 Has graph. To audio trace, press ALT+T.spx,8+2
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Expression 12: "p" left parenthesis, "x" , 8 , right parenthesis minus 2 Has graph. To audio trace, press ALT+T.px,8−2
