Expression 2: 1 minus StartFraction, "x" Over 20 , EndFraction Superscript, 1 half , Baseline left brace, "x" less than or equal to 10.2 0 4 5 , right brace1−x2012x≤10.2045
2
Expression 3: 1 minus StartFraction, "x" Over 28 , EndFraction Superscript, 1 third , Baseline left brace, 10.2 0 4 less than or equal to "x" less than or equal to 20.1 0 3 , right brace1−x281310.204≤x≤20.103