Question

in interval notation, how do you know when to use brackets "[]" or parenthesis "()"?

Answer 1

use brackets only when you are including the end point in the interval

Answer 2

if 0<x<1 --> (0,1)

if 0<= x <= 1 --> [0,1]

Answer 3

so only if its <=?

Answer 4

or >=?

Answer 5

right

Answer 6

thanks!