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OpenStudy (anonymous):
can someone help me/
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OpenStudy (anonymous):
can you help me I got [0,4] which is wrong?
OpenStudy (cwrw238):
yes what you have is 0 =< x <= 4
OpenStudy (cwrw238):
but correct is x i less than 0 or x is greater than 4 (the clear circle means that the value is not included)
OpenStudy (anonymous):
x<0 U x>4 so would you write it like this?
OpenStudy (anonymous):
it says Enter your answer using interval notation. Example: [2.1,5.6)
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OpenStudy (anonymous):
???
OpenStudy (cwrw238):
its been a long time - not sure maybe (-INF,0) U (4,INF) INF = infinity
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