Question

In the following equation, f(x)=2x +7, what is f(-3)?

Answer 1

Answer:

f(-3) = 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 + 7

f(-3) is x = -3

Step 2: Evaluate

1. Substitute:                   f(-3) = 2(-3) + 7
2. Multiply:                       f(-3) = -6 + 7
3. Add:                             f(-3) = 1