Answer:
D. 7x - 1
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Algebra I
- Terms/Coefficients
- Functions
- Function Notation
Explanation:
Step 1: Define
Identify
f(x) = 5x - 2
g(x) = 2x + 1
Step 2: Find
- Substitute in functions: (f + g)(x) = 5x - 2 + 2x + 1
- Combine like terms: (f + g)(x) = 7x - 1