Refer to the following Apex code:

What is the value of x when it is written to the debug log?

What is a capability of the Force.com IDE? Choose 2 answers

Which collection type provides unique key/value pairings of data?

An after trigger on the account object performs a DML update operation on all of the child opportunities of an account. There are no active triggers on the opportunity object, yet a "maximum trigger depth exceeded" error occurs in certain situation. Which two reasons possibly explain the account trigger firing recursively? choose 2 answers