Major need of HELP - which of the following could be an example of a function with a range (-infinity,a] and a domain [b,infinity) where a0 and b0?

i do not understand this at all please help n_n

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Question

Major need of HELP - which of the following could be an example of a function with a range (-infinity,a] and a domain [b,infinity) where a>0 and b>0?

i do not understand this at all please help n_n 

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anonymous · Answer

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anonymous · Answer

wow i don't understand it either, because there is no right answer given

anonymous · Answer

really ! @satellite73 awwww man its confusing

anonymous · Answer

what would be the best shot one ? any close or a possibility? @satellite73

anonymous · Answer

there is no right answer given so forget it

anonymous · Answer

oh ok @satellite73

anonymous · Answer

2 and 3 are out since the domain of those are all real numbers as is the range
unless you are supposed to restrict the domain for some reason

anonymous · Answer

thanks anyways @satellite73