Respuesta :

Answer:

f(3) = 16

Step-by-step explanation:

To evaluate f(3), substitute x = 3 into f(x), that is

f(3) = 25 - 3² = 25 - 9 = 16

Space

Answer:

f(3) = 16

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) = 25 - x²

f(3) is x = 3

Step 2: Evaluate

  1. Substitute in x:                    f(3) = 25 - 3²
  2. Exponents:                          f(3) = 25 - 9
  3. Subtract:                              f(3) = 16

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