Question

Let f(x) = x2 +6x +8 . What is the domain of Kx)?

O
A. All real numbers except
B. All real numbers except x = 1, x = 11
ОО
C. All real numbers x = -2, x = -4
O D. All real numbers except x = 1, x= 10
SUR

Answer 1

The domain is all real numbers

Explanation:

f(x) = x^2 +6x +8

The domain is what numbers can we put in for x

This is a parabola, we can put in any number for x and the function is defined