Question

What is -f(x) as a simplified polynomial?

Answer 1

Explanation:

very simple : you apply the "-" operator to the function definition.

as you can write -f(x) also as -(f(x).

so, you just put the regular f(x) in, and then make it all "negative" :

-f(x) = -(4x² - 5) = -4x² + 5