Expression 2: "f" left parenthesis, "x" , right parenthesis equals Start sum from "n" equals 0 to "x" , end sum, "p" StartFraction, 1 plus left parenthesis, StartNestedFraction, "c" NestedOver "n" plus 1 , EndNestedFraction , right parenthesis Superscript, 0.5 , Baseline Over "n" plus 1 plus left parenthesis, StartNestedFraction, "c" NestedOver "n" plus 1 , EndNestedFraction , right parenthesis Superscript, 0.5 , Baseline , EndFractionfx=x∑n=0p1+cn+10.5n+1+cn+10.5