Question

Evaluate f(x)=1/4x for x=-5

option 1. -1/20
option 2. -1 1/4
option 3. 20
option 4. -4/5

Answer 1

option 2. -1 1/4

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

• Functions
• Function Notation

Explanation:

Step 1: Define

Identify

f(x) = 1/4x

Step 2: Evaluate

1. Substitute in x [Function f(x)]: f(-5) = 1/4(-5)
2. Multiply: f(-5) = -5/4
3. Simplify: f(-5) = -1 1/4