Question

If f(x) = -3 3 and g(x)= 4x2 + 2x - 4, find (f +g)(x).
​

Answer 1

A. 4x² + 9x/4 - 7

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
• Functions
• Function Notation

Explanation:

Step 1: Define

Identify

f(x) = x/4 - 3

g(x) = 4x² + 2x - 4

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

Step 2: Find

1. Substitute in functions: (f + g)(x) = x/4 - 3 + 4x² + 2x - 4
2. Combine like terms: (f + g)(x) = 4x² + 9x/4 - 7