The Value Of $\mathcal { L } \{ \operatorname { erf } ( \sqrt { t } ) \}$

Multiple Choice

The value of $\mathcal { L } \{ \operatorname { erf } ( \sqrt { t } ) \}$ is

A) $1 / ( s \sqrt { s + 1 } )$
B) $1 / ( s \sqrt { s - 1 } )$
C) $1 / ( ( s + 1 ) \sqrt { s } )$
D) $1 / ( ( s - 1 ) \sqrt { s } )$
E) none of the above