Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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## Topic review (newest first)

bob bundy
2012-10-28 06:45:17

hi Berniard,

That's about right.  When a denominator is zero, the value of y 'goes to infinity'.  Those are vertical asymptotes.

The others are found when you consider what happens when x tends to + or - infinity.

Bob

Berniard
2012-10-28 03:29:27

So,by checking where the graph tends to infinity I can know the asymptote?

bob bundy
2012-10-28 01:52:32

hi Berniard,

Welcome to the forum!

Yes, there is.  Have you got a function for me to demonstrate on?

Post 7 on

http://www.mathisfunforum.com/viewtopic.php?id=15139

goes through all the steps for sketching a graph from its function.

Bob

Berniard
2012-10-28 01:39:56

Is there a way to deduce asymptotes(horizontal,vertical,oblique) of a function without graphing the function?

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