Question

Evaluate for f(-2)

F(x) = x2 - 4

Answer 1

Answer:

f(-2) = 0

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

Step-by-step explanation:

Step 1: Define

Identify given function.

f(x) = x² - 4

Step 2: Find f(-2)

1. [Function] Substitute in x:
   f(-2) = (-2)² - 4
2. Evaluate exponents:
   f(-2) = 4 - 4
3. Subtract:
   f(-2) = 0

∴ the function when x = -2 is equal to 0.

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Topic: Algebra I