Expression 3: "F" left parenthesis, "x" , right parenthesis equals negative StartFraction, "x" Over 2 , EndFraction minus cosine left parenthesis, "x" , right parenthesis plus 1 left brace, "x" less than negative StartFraction, pi Over 2 , EndFraction , StartFraction, pi Over 2 , EndFraction less than "x" , right braceFx=−x2−cosx+1x<−π2,π2<x
3
Expression 4: "y" equals negative StartFraction, "x" Over 2 , EndFraction plus 1y=−x2+1
4
Max: left parenthesis, negative StartFraction, pi Over 2 , EndFraction , StartFraction, pi Over 4 , EndFraction plus 1 , right parenthesis−π2,π4+1
Label:
5
min: left parenthesis, StartFraction, pi Over 6 , EndFraction , negative StartFraction, pi Over 12 , EndFraction minus StartFraction, StartRoot, 3 , EndRoot Over 2 , EndFraction plus 1 , right parenthesisπ6,−π12−32+1