Respuesta :

Space

Answer:

f(-4) = -28

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Algebra I

  • Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = -x² + 3x

f(-4) is x = -4

Step 2: Evaluate

  1. Substitute:                   f(-4) = -(-4)² + 3(-4)
  2. Exponents:                  f(-4) = -(16) + 3(-4)
  3. Multiply:                       f(-4) = -16 - 12
  4. Subtract:                      f(-4) = -28

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