Question

9. If f(x)=-2x^2+4x-6,
then f(2)=

Answer 1

f(2) = -6

General Formulas and Concepts:

Order of Operations: BPEMDAS

Substitution and Evaluation

Explanation:

Step 1: Define

f(x) = -2x² + 4x - 6

f(2) is x = 2

Step 2: Solve

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