Question

Help! What does this mean?

Answer 1

Use interval notation to describe the interval of real numbers satisfying \[-4\le x \le 1\]

Answer 2

you have notation element: "[" , "]" , "(" , ")" , "," to create an appropriate notation with

Answer 3

oh, i think i'm starting to remember now... which one is for which?
Today was the first day of school, and we got a homework review packet for precalc reviewing algebra and geometry. I forgot all this stuff :(

Answer 4

notice that the square brackets can be written as an equals sign with a bar between them ...

Answer 5

if an endpoint is "also equal to" then i would use an "equals sign with a bar" for it.