Mathematics · 2013
JEE Main · 25 April 2013, Shift 1 · Q85
Let f(1)=-2 and f^′(x) ≥ 4.2 for 1 ≤ x ≤ 6. The possible value of f(6) lies in the interval:
Let $\displaystyle f(1)=-2$ and $\displaystyle f^{\prime}(x) \geqslant 4.2$ for $\displaystyle 1 \leq x \leq 6$. The possible value of $\displaystyle f(6)$ lies in the interval :
Official answer
(4)
$\displaystyle [19, \infty)$
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JEE Main 2013 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.