Question

If f(x) = 3х^2 and g(x) = 4х^3 + 1, what is the degree of (f•g)(x)?

2
3
5
6

Answer 1

5

Explanation:

f(x)= 3х^2

g(x) = 4х^3 + 1

(f•g)(x) = (3x^2) * (4x^3+1)

= 12x^(2+3) + 3x^3

= 12 x^5 + 3x^2

The degree is the highest power of x, which is 5