Question 36Asked in DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 3

Given the following table of value of f(x) = log x, what is the value of f'(3)?

Given the following table of value of f(x) = log x, what is the value of f'(3)? x | 1 | 2 | 3 | 4 f(x) | 0 | 0.301 | 0.477 | 0.602
  1. A0.125
  2. B0.225
  3. C0.208
  4. D0.278
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Correct answer: (A) 0.125

Explanation

Using the forward difference approximation, f'(3) ≈ [f(4) − f(3)]/h = (0.602 − 0.477)/1 = 0.125.

From DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3

This is question 36 of DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.