Question

What is f(-4) for the function f(x) =-3x-8

Answer 1

the correct answer is:

-3 × -4 -8 = 12 - 8 = 4

Answer 2

f(-4) = 4

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) = -3x - 8

f(-4) is x = -4

Step 2: Evaluate

1. Substitute in x: f(-4) = -3(-4) - 8
2. Multiply: f(-4) = 12 - 8
3. Subtract: f(-4) = 4