Which polynomial has a degree of 3?

Which polynomial has a degree of 3?

Correct Answer: 2x^3 + x

Step 1: Understand what a polynomial is. A polynomial is a mathematical expression that can include numbers, variables (like x), and exponents.
Step 2: Identify the degree of a polynomial. The degree is the highest exponent of the variable in the polynomial.
Step 3: Look at the given polynomial, which is 2x^3 + x.
Step 4: Find the exponents of each term in the polynomial. The first term, 2x^3, has an exponent of 3. The second term, x, has an exponent of 1.
Step 5: Compare the exponents. The highest exponent in the polynomial 2x^3 + x is 3.
Step 6: Conclude that since the highest exponent is 3, the polynomial 2x^3 + x has a degree of 3.

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