Question

Identify the domain of the function.
A) D:{x| 0 ≤ x < 5}
B) D:{x| 0 < x ≤ 5}
C) D:{x| −4 ≤ x < 4}
D) D:{x| −4 < x ≤ 4}

Answer 1

The domain is the horizontal extent. The function is defined at x=-4, but not at x=4, so the only viable choice is ...

... C) D:{x | -4 ≤ x < 4}