Question

Question 1 options:
f(x) = -2x-1

f(-2) =

Answer 1

-5

Explanation:

f(×)=2x-1

f(-2)=2×(-2)-1 (here,x= -2)

=-4-1

= -5

Answer 2

f(-2) = 3

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) = -2x - 1

f(-2) is x = -2

Step 2: Evaluate

1. Substitute: f(-2) = -2(-2) - 1
2. Multiply: f(-2) = 4 - 1
3. Subtract: f(-2) = 3