Expression 9: "f" left parenthesis, "x" , right parenthesis equals StartFraction, "x" to the 4th power Over 625 , EndFraction negative StartFraction, 3 "x" squared Over 25 , EndFraction positive 1fx=x4625−3x225+1
9
Expression 10: left bracket, "x" Subscript, 1 , Baseline less than or equal to "x" less than or equal to "x" Subscript, 2 , Baseline , right bracketx1≤x≤x2
10
Expression 11: "x" Subscript, 1 , Baseline equals negative 5x1=−5
negative 10−10
1010
11
Expression 12: "x" Subscript, 2 , Baseline equals 4x2=4
