Let L:R$3->$P$3($R$)$

$.$ Let B

be a basis for R$3$

and C

be a basis for P$3($R$)$

$.$

What type of object is $[$L$($v$)]$C

for v in R$3$

$?$

An element in M$3\backslash$times $4($R$)$

An element in P$3($R$)$

An element in R$4$

An element in R$3$

An element in M$4\backslash$times $3($R$)$