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anonymous
 5 years ago
How do you find the range of f(x,y)=ln(x+y3)?
anonymous
 5 years ago
How do you find the range of f(x,y)=ln(x+y3)?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The range depicts all possible values for f(x,y). I can't really tell you the range without knowing the domain.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0the domain i got was \[x+y>3\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The range should be inf to inf.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ln of a number between 0 and e gives you a negative number. Between the range e to infinity, it gives you a positive number. etc. Does that help?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Kind of...is there any way to prove this algebraically?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Yes. The limit as x approaches 0 of ln(x) = infinity. The limit as x approaches 1 of ln(x) is 0. The limit as x approaches infinity of ln(x) is infinity.
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