Question

Evaluate the following for f(-2)
F(x)=3x+2

Answer 1

Answer 4

Explanation:

3(-2)= -6

-6+2= -4

Answer 2

f(-2) = -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 + 2

f(-2) is x = -2

Step 2: Evaluate

1. Substitute in x: f(-2) = 3(-2) + 2
2. Multiply: f(-2) = -6 + 2
3. Add: f(-2) = -4