jerrytheminion
Help!!!! For each of the following, identify the domain and range.
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jerrytheminion
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\[g(x)=8\left| x \right|-4\]
anonymous
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there will be no restrictions on the domain, so the domain is all set of real numbers.
the graph of this function is shifted down by 4 units, (remember the parent function has a range of 0=<y) so the range will be -4=<y (-4 is equal or less than y)...
jerrytheminion
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so basically
Domain: \[(-\infty,\infty)\]
Range: \[(-\infty,-4]\]
How do you know when there's no restrictions?
anonymous
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range will be:
\[[-4,+ \infty)\]
there will be restrictions for rational function, if the denominator is equal to zero, the function will be undefined.
jerrytheminion
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ohhh
so like for this equation:
\[\frac{ (x-2)(x+3) }{ (x-2)(x+2) }\]
there would be a restriction on 2 and -2?
anonymous
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yeah!!, sorry late respond,
jerrytheminion
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okie dokie :)
so that would mean that the domain is?
|dw:1380763197328:dw|
anonymous
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right
jerrytheminion
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yeah!!!!!!!!! Thank you so much!!!!!!!!!! :)
anonymous
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NO problem! minion buddy(^_^)
jerrytheminion
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Minion buddy :)
mary.rojas
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omg jealous!
*goes to change pic
anonymous
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aren't we look cute?? hehehe! this is awesomeness!
mary.rojas
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^_^
jerrytheminion
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hahaha =D now we're all minions xD
anonymous
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yay!! XD
mary.rojas
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^_^
jerrytheminion
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=)
anonymous
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lol this is enough:) need to study now, see ya round OS;p
jerrytheminion
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haha ok, me too... it was really nice meeting you tonight!!!!!!!!!!! :) see ya later!!!!!!!!!!
anonymous
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i will save this:)))))