8

Set 3: Polynomial Functions (Beginner)

Explanation

Answer: B

PROBLEM

What is the degree of the polynomial: 4x to the power of 4 + 5x to the power of 3?

What is the degree of the polynomial: 4x to the power of 4 + 5x to the power of 3?

A.

5

B.

4

✓ Correct
C.

3

D.

2

Detailed Explanation

Choice B is the best answer. The highest power of x is 4, so the degree is 4.

Why others are wrong:
A: 5 is incorrect because it does not satisfy the equation.
C: 3 is incorrect because it does not satisfy the equation.
D: 2 is incorrect because it does not satisfy the equation.