Question

The function $f(x) = [x]$, where $[x]$ denotes greatest integer function is continuous at

• A. 4
• B. -2
• C. 1
• D. 1.5

Answer 1

Answer: (D)

1.5

Answer 2

$[x]$ is always continuous at non-integer value of $x$. Hence, $f(x)=[x]$ will be continuous at $x=1.5$.