Consider the following table of data: X 0.2 0.4 0.6 0.8 1.0 f(.x) 0.9798652 0.9177710 0.808038 0.6386093 0.3843735 a. Use all the appropriate formulas given in this section to approximate /'(0.4) and /"(0.4). b. Use all the appropriate formulas given in this section to approximate /'(0.6) and /"(0.6).

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