Question

Given f(x) = -x – 4, find f(4).
I need help

Answer 1

f(4) = -8

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) = -x - 4

f(4) is x = 4

Step 2: Evaluate

1. Substitute in x: f(4) = -4 - 4
2. Subtract: f(4) = -8