Question

When the function ƒ(x) = 4x−2 is evaluated for x = 3, the output is:

-4
-6
-16
-none

Answer 1

None

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

• Terms/Coefficients

Explanation:

Step 1: Define

f(x) = 4x - 2

x = 3

Step 2: Evaluate

1. Substitute in x [Function]: f(3) = 4(3) - 2
2. Multiply: f(3) = 12 - 2
3. Subtract: f(3) = 10