Question

When f(x)=6x2−2x+2 , evaluate f(−1)
f(-1)=

Answer 1

f(-1) = 10

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

Explanation:

Step 1: Define

f(x) = 6x² - 2x + 2

f(-1) is x = -1

Step 2: Evaluate

1. Substitute in x: f(-1) = 6(-1)² - 2(-1) + 2
2. Exponents: f(-1) = 6(1) - 2(-1) + 2
3. Multiply: f(-1) = 6 + 2 + 2
4. Add: f(-1) = 8 + 2
5. Add: f(-1) = 10