Determine if the following limit exists. Compute the limit if it exists. _ t2+3t-54 ""12 t>6 t -36 E) If possible, rewrite the limit by simplifying the rational expression. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. _ t2 + 3t 54 _ _ . ':':- A_ lIm 2 = llm (Simplify your answer.) t>6 t 36 t>6 C? B. The limit cannot be rewritten