Expression 6: "y" minus "f" left parenthesis, "a" , right parenthesis equals StartFraction, "f" left parenthesis, "a" plus "h" , right parenthesis minus "f" left parenthesis, "a" , right parenthesis Over "h" , EndFraction left parenthesis, "x" minus "a" , right parenthesisy−fa=fa+h−fahx−a
6
Expression 7: "c" equals StartFraction, "f" left parenthesis, "a" plus "h" , right parenthesis minus "f" left parenthesis, "a" , right parenthesis Over "h" , EndFractionc=fa+h−fah
equals=
0.8 4 1 4 7 0 9 8 4 8 0 80.841470984808
7
Average ROC = ${c} left parenthesis, "a" , 3.1 , right parenthesisa,3.1
Label:
equals=
left parenthesis, 0 , 3.1 , right parenthesis0,3.1
8
Expression 9: "m" equals "f" prime left parenthesis, "a" , right parenthesism=f′a
equals=
11
9
Expression 10: "y" minus "f" left parenthesis, "a" , right parenthesis equals "m" left parenthesis, "x" minus "a" , right parenthesisy−fa=mx−a
10
f'(${a})=${m} left parenthesis, "a" , 2.8 , right parenthesisa,2.8
Label:
equals=
left parenthesis, 0 , 2.8 , right parenthesis0,2.8