Mathematics · 2019
JEE Main · 9 April 2019, Shift 2 · Q72
If f(x)=[x]-[x/4], x ∈ R, where [x] denotes the greatest integer function, then:
If $\displaystyle f(x)=[x]-\left[\frac{x}{4}\right], x \in \mathbf{R}$, where $\displaystyle [x]$ denotes the greatest integer function, then :
Official answer
(4)
$\displaystyle f$ is continuous at $\displaystyle x=4$.
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.