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UPCAT Mathematics practice question 7: If f(x) = 2x² − 3x + 1, what is f(−2)?

Correct answer

D. 15

f(−2) = 2(4) − 3(−2) + 1 = 8 + 6 + 1 = 15.

If f(x) = 2x² − 3x + 1, what is f(−2)?

  1. 3
  2. −1
  3. 11
  4. 15Correct

Why D is correct

f(−2) = 2(4) − 3(−2) + 1 = 8 + 6 + 1 = 15.

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