Question

If f(x) = x2 + x, find f(-3).
-12
3
6

Answer 1

-9

Explanation:

-3(2) + (-3)

-6 + (-3)

-9

Answer 2

f(-3) = 6

General Formulas and Concepts:

Pre-Algebra

• Order of Operations: BPEMDAS

Explanation:

Step 1: Define

f(x) = x² + x

f(-3) is x = -3

Step 2: Evaluate

1. Substitute: f(-3) = (-3)² + -3
2. Exponents: f(-3) = 9 - 3
3. Subtract: f(-3) = 6

And we have our final answer!