Question

What is the domain of the step function f(x) = ⌈2x⌉ – 1

Answer 1

{x| x ≥ –1}
{x| x ≥ 1}
{x| x is an integer}
{x| x is a real number}

Answer 2

@iGreen

Answer 3

it can be d because its a real number

Answer 4

thats what the [] things are for

Answer 5

x is a variable

Answer 6

okay thank you