hba
Question about functions :
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Fox375
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whats the question?
hba
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Which of the following expresses the domain of \[g(x)=\frac{ 3 }{ (x-2)(x+3) }\]
A)\[\left\{ x:x \neq 0 \right\}\]
B)\[\left\{ x:x \neq 2 \right\}\]
C)\[\left\{ x:x \neq -3 \right\}\]
hba
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@rajathsbhat
hba
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@waterineyes ?
waterineyes
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Firstly, denominator must not be 0..
waterineyes
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\[(x-2)(x+3) \ne 0\]
Find x..
hba
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So x=2,x=-3
waterineyes
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This will have two correct choices...
Not equal to man not equal to..
\(x \ne 2\) and \(x \ne -3\)
hba
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Yeah right ,What next @waterineyes
hba
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so b and c cannot be the answer :)
waterineyes
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Cannot??
Why??
hba
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I mean can be the answer.
waterineyes
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Yes but both...
hba
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{x:x is not equal to 2 and x:x is not equal to 3} got it thanks :)