Question

If f(x) = x3 – 1, what is the ordered pair for x = -2.?

Answer 1

(-2, -9)

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

Coordinates (x, y)

Functions

• Function Notation

Explanation:

Step 1: Define

Identify

f(x) = x³ - 1

x = -2

Step 2: Evaluate

1. Substitute in x [Function f(x)]: f(-2) = (-2)³ - 1
2. Exponents: f(-2) = -8 - 1
3. Subtract: f(-2) = -9
4. Rewrite: (-2, -9)