Respuesta :

Space

Answer:

(f + g)(x) = 3x² + 7x - 1

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

  • Terms/Coefficients
  • Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = 3x² + 2x

g(x) = 5x - 1

(f + g)(x) is f(x) + g(x)

Step 2: Find

  1. Substitute in functions:                                                                                    (f + g)(x) = 3x² + 2x + 5x - 1
  2. Combine like terms:                                                                                         (f + g)(x) = 3x² + 7x - 1

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