If f(x) = -3 3 and g(x)= 4x2 + 2x - 4, find (f +g)(x).
1 answer:
Answer:
A. 4x² + 9x/4 - 7
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Terms/Coefficients
- Functions
- Function Notation
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
f(x) = x/4 - 3
g(x) = 4x² + 2x - 4
(f + g)(x) is f(x) + g(x)
<u>Step 2: Find</u>
- Substitute in functions: (f + g)(x) = x/4 - 3 + 4x² + 2x - 4
- Combine like terms: (f + g)(x) = 4x² + 9x/4 - 7
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