3 years ago

Evaluate the function below for X=3:

Mathematics

1 answer:

Zarrin [17]3 years ago

6 0

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

2x³ - x² - 4x + 9

x = 3

Step 2: Evaluate

Substitute in x: 2(3)³ - 3² - 4(3) + 9
Exponents: 2(27) - 9 - 12 + 9
Multiply: 54 - 9 - 12 + 9
Subtract: 45 - 12 + 9
Subtract: 33 + 9
Add: 42

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