SOLUTION: how to find the domain and range of (e^-x) +2

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Question 573133: how to find the domain and range of (e^-x) +2
Answer by solver91311(24713) About Me  (Show Source):
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is defined for all real values of the variable, hence the domain is all real numbers.



is always positive and asymptotic to the positive axis, hence



is always greater than 2 and is asymptotic to

hence the range is the interval

John

My calculator said it, I believe it, that settles it
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