運算式 8: "y" equals "f" prime left parenthesis, "x" , right parenthesis left brace, "y" less than 0 , right bracey=f′xy<0
8
運算式 9: "y" equals "f" prime left parenthesis, "x" , right parenthesis left brace, "y" greater than 0 , right bracey=f′xy>0
9
運算式 10:
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運算式 11:
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運算式 12:
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運算式 13: "f" prime prime prime left parenthesis, "x" , right parenthesisf′′′x
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運算式 14: "y" equals negative StartFraction, 8 left parenthesis, "x" plus 5 , right parenthesis Over 27 "x" Superscript, 8 thirds , Baseline , EndFractiony=−8x+527x83
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運算式 15: "f" prime prime prime left parenthesis, 0 , right parenthesisf′′′0
