Question

Given the polynomial function below, find F(-9).

F(x) = -x2 - 10x-2
O A. -173
O B. -11
O C. 7
O D. 169

Answer 1

C. 7

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

Algebra I

• Function Notation

Explanation:

Step 1: Define

F(x) = -x² - 10x - 2

F(-9) is x = -9

Step 2: Evaluate

1. Substitute: F(-9) = -(-9)² - 10(-9) - 2
2. Exponents: F(-9) = -(81) + 90 - 2
3. Simplify: F(-9) = -81 + 90 - 2
4. Add: F(-9) = 9 - 2
5. Subtract: F(-9) = 7