If User is an ActiveRecord class, which choice would be expected to return an array?

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Question:If User is an ActiveRecord class, which choice would be expected to return an array?

1.User.where(last_name: 'Smith')

2.User.find_or_create(last_name: 'Smith')

3.User.find_by_last_name('Smith')

4.User.find('Smith')

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  1. If User is an ActiveRecord class, which choice would be expected to return an array?
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