In order for your daughter to qualify you for the Other Dependent Credit (which is a credit against your taxes rather than a deduction), you would need to meet several other requirements:
Support - you would need to have provided over half of her support
Joint Return - she could not have filed a joint return with her spouse
Income - her income for the year would need to be less than $4,400
She would also need to be a U.S. citizen, national or resident alien.
TurboTax will prompt you for the answers to all of the relevant questions to determine if you qualify.
See An overview of the credit for other dependents for more information.
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