How Do You Solve This Math Problem Using Substitution?

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anshuiit
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Homework Statement


the problem is attached


Homework Equations





The Attempt at a Solution


pls giv me the answer only

 
Attachments
  • Multiple-choice question: f(x) = 4x^2 - 4ax + a^2 - 2a + 2 has global minimum 3 on [0, 2]; options: a ≤ 0 or a ≥ 4; 0 ≤ a ≤ 4; a > 0; None of these.
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Discussion

Try substituting 0 and 2 and see what y values you get.
 

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