Question

Mattthhh , i need help

Answer 1

For this case we have the following functions:
 $j (x) = x ^ 2 + 3 k (x) = x ^ 2 - x + 4$
 An operation that results in a polynomial of the second degree is the sum of both functions.
 When adding the functions we have:
 $j (x) + k (x) = (x ^ 2 + 3) + (x ^ 2 - x + 4)$
 Rewriting we have:
 $j (x) + k (x) = 2x ^ 2 - x + 7$
 The result is a second-degree polynomial
 Answer:
 An operation that results in a 2nd degree polynomial is:
 a. Addition