運算式 2: "m" equals StartFraction, "f" left parenthesis, .5 plus "h" , right parenthesis minus "f" left parenthesis, .5 , right parenthesis Over "h" , EndFraction equals 3.6m=f.5+h−f.5h
equals=
3.63.6
2
運算式 3: "y" equals "f" left parenthesis, .5 , right parenthesis plus "m" left parenthesis, "x" minus .5 , right parenthesis 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。y=f.5+mx−.5
