i think this question already been solved:
https://brainly.com/question/4342896
Answer:
degree 5
Step-by-step explanation:
(fg)(x) = f(x) × g(x)
f(x) × g(x) = 3x²(4x³ + 1) = 12[tex]x^{5}[/tex] + 3x²
The degree of the polynomial is determined by the value of the largest exponent, that is
12[tex]x^{5}[/tex] ← largest exponent of 5
Hence (fg)(x) is of degree 5
