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Alex73 [517]
3 years ago
14

If f(x) = 2x – 6 and g(x) = 3x + 9, find (f+ g)(x).

Mathematics
1 answer:
Feliz [49]3 years ago
4 0

Answer:

(f + g)(x) = 5x + 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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

<u>Algebra I</u>

  • Terms/Coefficients
  • Functions
  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = 2x - 6

g(x) = 3x + 9

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

<u>Step 2: Find</u>

  1. Substitute in function values:                                                                          (f + g)(x) = 2x - 6 + 3x + 9
  2. Combine like terms:                                                                                         (f + g)(x) = 5x + 3
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