Question

can someone help me/

Answer 1

can you help me I got [0,4] which is wrong?

Answer 2

yes what you have is 0 =< x <= 4

Answer 3

but correct is x i less than 0 or x is greater than 4
(the clear circle means that the value is not included)

Answer 4

x<0 U x>4 so would you write it like this?

Answer 5

it says Enter your answer using interval notation. Example: [2.1,5.6)

Answer 6

???

Answer 7

its been a long time - not sure
maybe (-INF,0) U (4,INF) INF = infinity