Expression 1: "f" left parenthesis, "x" , right parenthesis equals StartFraction, 6 Over 5675 , EndFraction left parenthesis, 5 "x" squared plus 3 "x" plus 11 , right parenthesis left brace, 3 less than or equal to "x" less than or equal to 8 , right bracefx=656755x2+3x+113≤x≤8
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Expression 2: Start integral from 3 to 8, end integral, "f" left parenthesis, "x" , right parenthesis "d" "x"∫83fxdx