# How much you know about Roots?

Algebra Level 3

Which of the following function doesn't have any $root$ ?

A) $log(x)$
B) $e^x$
C) $[ x ]$
D) $| x |$
E) $Sgn(x)$
F) $\{x\}$

$\boxed{DETAILS}$
$\Rightarrow$ $[ . ]$ represents floor function.
$\Rightarrow$ $\{ . \}$ represents fractional Part.

$\small{Original}$

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