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how much do you know?

not a lot

[-4,5]
means from-4 to +5

oh okay so far that helped me tons

i think so

i'm trying right now

okay I did it

the [ in [-4,5] means -4 is part of the answer
to show that, put a solid dot at -4
ditto for the +5

okay done

|dw:1444425810562:dw|

ooh yay! thank you

so im going to use the less than or equal to sign when I write the inequality sign correct?

-4 is less than or equal to x5?

I would write it as -4 is less than or equal to x and x is less than or equal to 5

thank you so so much

for the next question does the ∞ in the problem mean that is goes on. meaning that it has no ending?

yes sorry

okay so |dw:1444426396931:dw|

yes, that is the first part

okay then |dw:1444426668016:dw|

yes.
as inequalities it is
\[ x \le -1 \cup x > 3 \]

thank you so much phi

is that all?

yw

have a nice night