Expression 1: "f" ( "x" ) equals 0.0 4 8 "x" cubed minus 0.3 6 "x" squared plus 3f(x)=0.048x3−0.36x2+3
1
Expression 2: "f" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis equals 0.0 4 8 "x" cubed minus 0.3 6 "x" squared plus 3 left brace, 0 less than or equal to "x" less than or equal to 5 , right bracef1x=0.048x3−0.36x2+30≤x≤5