Question

Which type of function is the result of adding a quadratic function and a linear function?

Answer 1

Answer:

Always Quadratic

Explanation:

Let f(x)=ax2+bx+c (with a≠0), 
and let g(x)=dx+e.

Then (f+g)(x)=ax2+(b+d)x+(c+e).
Since a≠0, this is quadratic every time.