Expression 1: "y" equals left parenthesis, 3 times 4 , right parenthesis StartFraction, "x" minus floor left parenthesis, "x" minus 1 half , right parenthesis minus 1 Over exp left parenthesis, StartNestedFraction, 3 "x" NestedOver 4 , EndNestedFraction plus 4 thirds , right parenthesis , EndFractiony=3·4x−floorx−12−1exp3x4+43