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Given the following table of values of f(x) = log x, what is the value of f′(3)?x1234f(x)00.3010.4770.602

5200Medium DSSSB TGT Computer Science 0 replies 0 views
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Given the following table of values of f(x) = log x, what is the value of f′(3)?
x1234
f(x)00.3010.4770.602
  • A0.208
  • B0.278
  • C0.125
  • D0.225
Correct answer: C

Explanation

Forward difference: f′(3) ≈ [f(4) − f(3)]/h = (0.602 − 0.477)/1 = 0.125.

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