Because y = 4 is the asymptote?

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- March 8th 2013, 03:52 AMiamapineappleWhy do graphs such y = (1/4)^x + 4 still have values for 4?
Because y = 4 is the asymptote?

- March 8th 2013, 05:22 AMHallsofIvyRe: Why do graphs such y = (1/4)^x + 4 still have values for 4?
I have no clue what you mean by this. What do you mean by "values for 4"? My first thought was that "for 4" meant "for x= 4" but that's easy to calculate- if x= 4, then . If you mean "there exist x such that y= 4", it is not true. If , then and there is no such x.