Question

dentify the following key attributes of the polynomial

f(x)= – 4x2 + 9

Domain: (select)
x > 1
x < 0
x > 0
All real numbers

Answer 1

The polynomial \( f(x) = -4x^2 + 9 \) is a quadratic function. The domain of any polynomial function, including this one, is all real numbers.

Therefore, the correct option for the domain is:

**All real numbers.**