Question

All points of the step function f(x) are graphed.

What is the domain of f(x)?
O {x14 O {x\–3 < x 54}
O {x| 1 O {x| 2

Answer 1

You can see that the function spans horizontally from -4 to 4, and that it covers all included points, except for -4.

So, the domain of the function is
`x \in (-4,4]`

Or, if you prefer the set notation,

`D=\{x \in \mathbb{R}:\ -4<x\leq 4\}`

Answer 2

Its A

Explanation:

2020 edge