Question

is (-∞, ∞) the same as all real numbers?

Answer 1

yes

Answer 2

if you're talking about interval notations, yes

Answer 3

if you're talking about ordered pairs, no

Answer 4

@igbasallote
yes i am , about interval notations

Answer 5

yes, that is interval for \[\mathbb R\]

Answer 6

so yeah

Answer 7

it's a yes then. it means all numbers between -infinity and +infinity...so in short all real numbers

Answer 8

ook i knoew it
but i wasnt sure thanks :D