Question

f(x) = 2x - 5
For the function shown, what is the f(2)?

Answer 1

Answer:

f(2) = -1

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

Step-by-step explanation:

Step 1: Define

f(x) = 2x - 5

f(2) is x = 2

Step 2: Evaluate

1. Substitute in x:                    f(2) = 2(2) - 5
2. Multiply:                               f(2) = 4 - 5
3. Subtract:                              f(2) = -1