Respuesta :

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Answer:

f(-7) = 63

General Formulas and Concepts:

Order of Operations: BPEMDAS

  • Substituting and Evaluating

Step-by-step explanation:

Step 1: Define

f(t) = t² - 2t

f(-7) is t = -7

Step 2: Solve

  1. Substitute:                         f(-7) = (-7)² - 2(-7)
  2. Exponents:                        f(-7) = 49 - 2(-7)
  3. Multiply:                             f(-7) = 49 + 14
  4. Add:                                   f(-7) = 63

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