Expression 4: left parenthesis, abs left parenthesis, "x" plus 2 , right parenthesis minus "R" , right parenthesis squared plus "y" squared less than or equal to "R" squared Has graph. To audio trace, press ALT+T.absx+2−R2+y2≤R2s
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Expression 5: "y" squared less than equals max left parenthesis, "R" squared left parenthesis, 1 minus left parenthesis, StartFraction, left parenthesis, "x" plus 2 , right parenthesis Over "R" plus .3 "R" Subscript, "s" , Baseline , EndFraction , right parenthesis to the 10th power , right parenthesis Superscript, 1 fifth , Baseline , "R" squared minus left parenthesis, abs left parenthesis, "x" plus 2 , right parenthesis minus "R" , right parenthesis squared , right parenthesis Has graph. To audio trace, press ALT+T.y2<=maxR2s1−x+2R+.3Rs1015,R2s−absx+2−R2