Question

Find the function G defined by G(x) =5x+3 find G(-1)

Answer 1

G = -2

Explanation:

Plug in -1 for x.

5(-1) + 3

-5 + 3

-2

G = -2

Answer 2

G(-1) = -2

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

G(x) = 5x + 3

Step 2: Evaluate

1. Substitute in x [Function G(x)]: G(-1) = 5(-1) + 3
2. Multiply: G(-1) = -5 + 3
3. Add: G(-1) = -2