JEE Main 2013 Mathematics question
Let f(1) = −2 and f′(x) ≥ 4.2 for 1 ≤ x ≤ 6. The possible value of f(6) lies in the interval :
Answer: (4)
Solution
By the mean value theorem, , so , option (4).
Let f(1) = −2 and f′(x) ≥ 4.2 for 1 ≤ x ≤ 6. The possible value of f(6) lies in the interval :
By the mean value theorem, , so , option (4).