I need help finding the range of this equation

Question

mcba1234 · Answer

attachment

mcba1234 · Answer

I think the Domain is all real numbers but I can't figure out what the range is

phi · Answer

range are the "y" values

phi · Answer

it looks like it "zooms" up to infinity, so that would be the upper value
it looks like it approaches (asymptotes) to the x-axis (that is a reasonable guess, but we should be allowed to see the equation to know for sure)

can you take a stab at listing the range ?

loser66 · Answer

y goes from ??? to???

mcba1234 · Answer

Is the range:

 y is less than or equal to 6

phi · Answer

if we use only the values we see in the graph, it looks like 5 is the biggest y value
but we could not say $y \le 5$ because y never goes negative.  y (in the picture) is always bigger than 0
so 
you could say
$$ 0 < y \le 5$$