Question

Find the value of f(3) for the function.
f(x) = - 7(x + 2)

Answer 1

f(3) = -35

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) = -7(x + 2)

f(3) is x = 3

Step 2: Evaluate

1. Substitute: f(3) = -7(3 + 2)
2. Add: f(3) = -7(5)
3. Multiply: f(3) = -35