Expression 5: negative "y" greater than or equal to "x" plus "a" left brace, 0 less than or equal to "y" less than or equal to 20 , right brace left brace, "x" greater than or equal to negative 20 minus "a" , right brace−y≥x+a0≤y≤20x≥−20−a
5
Expression 6: "x" equals negative "a" left brace, negative 50 less than or equal to "y" less than or equal to 0 , right bracex=−a−50≤y≤0
6
Expression 7: "x" equals negative "a" left brace, 0 less than or equal to "y" less than or equal to 20 , right bracex=−a0≤y≤20
7
Expression 8: "r" squared greater than or equal to left parenthesis, "x" plus "a" , right parenthesis squared plus left parenthesis, "y" , right parenthesis squaredr2≥x+a2+y2
8
Expression 9: "r" equals 4.5r=4.5
4.54.5
4.54.5
9
Expression 10: "C" equals rgb left parenthesis, 255 , 215 , 0 , right parenthesisC=rgb255,215,0
