Answer:
f(3) = -14
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Algebra I
Explanation:
Step 1: Define
f(x) = -2x² + x + 1
f(3) is x = 3
Step 2: Evaluate
- Substitute: f(3) = -2(3)² + 3 + 1
- Exponents: f(3) = -2(9) + 3 + 1
- Multiply: f(3) = -18 + 3 + 1
- Add: f(3) = -15 + 1
- Add: f(3) = -14