Question

What is the domain of the following function?

Answer 1

thats right !

Answer 2

Thank you :) So it's D?

Answer 3

Yep ! we need to include 3 in the domain cos there is a filled circle at x = -3, so the input -3 produces a value of -1

The arrow on top right corner indicates that the ray goes forever in that direction - so the domain would be : [3, infty)

Answer 4

Circle?

Answer 5

What circle

Answer 6

Yes ! the red spot

Answer 7

OOoh yes :-)

Answer 8

Filled circle = include in domain
open circle = do not include in domain

Answer 9

Thank you