Mathematics · 2020
JEE Main · 3 September 2020, Shift 1 · Q59
The function, f(x)=(3 x-7) x^2 / 3, x ∈ R, is increasing for all x lying in:
The function, $\displaystyle f(x)=(3 x-7) x^{2 / 3}, x \in \mathbf{R}$, is increasing for all $\displaystyle x$ lying in :
Official answer
(3)
$\displaystyle (-\infty, 0) \cup\left(\frac{14}{15}, \infty\right)$
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JEE Main 2020 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.