• # question_answer If $f\,(x)$ is a differentiable function satisfying $f'\,(x)<2$ for all $x\in R$ and $f\,(1)=2,$ then greatest possible integral value of $f\,(3)$is A) 5 B) 6 C) 7 D) 8

Correct Answer: A

Solution :

 $\frac{f\,(3)-f\,(1)}{3-1}=f'\,(c),$ for some c such that \[1

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