Expression 21: "f" left parenthesis, "x" , right parenthesis equals negative StartRoot, "R" squared minus "x" squared , EndRoot plus "B" Subscript, 2 , Baseline left brace, "E" Subscript, 1 , Baseline less than "x" , right brace Has graph. To audio trace, press ALT+T.fx=−R21−x2+B2E1<x
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Expression 22: "g" left parenthesis, "x" , right parenthesis equals StartRoot, "s" squared minus "x" squared , EndRootgx=s2−x2
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Expression 23: "h" left parenthesis, "x" , right parenthesis equals negative StartRoot, "R" squared minus left parenthesis, "x" minus "F" Subscript, 1 , Baseline , right parenthesis squared , EndRoot plus "F" Subscript, 2 , Baselinehx=−R2−x−F12+F2
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Expression 24: "h" left parenthesis, "x" , right parenthesis left brace, "E" Subscript, 1 , Baseline less than "x" less than "G" Subscript, 1 , Baseline , right brace Has graph. To audio trace, press ALT+T.hxE1<x<G1
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Expression 25: "f" left parenthesis, "F" Subscript, 1 , Baseline , right parenthesis tilde "g" left parenthesis, "F" Subscript, 1 , Baseline , right parenthesis left brace, 0 less than "F" Subscript, 1 , Baseline , right brace Has regression. To access statistics, press Tab.fF1~gF10<F1