#A(x)# is a polynomial of degree 4 and #B(x)# is a polynomial of degree 3. What is the degree of #A(4)# x #B(4)#?

1 Answer
Sep 25, 2017

See explanation.

Explanation:

The degree of a product of 2 polynomials is the sum of degrees of the polynomials, so here we have:

#A(x)# is a polynomial of degree #4#,
#B(x)# is a polynomial of degree #3#, so the product #A(x)xxB(x)# is a polynomial of degree #7#