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# Asymptote watch

1. Does enlargement along y-axis of graph -e^x affect its asymptote?
2. (Original post by mystreet091234)
Does enlargement along y-axis of graph -e^x affect its asymptote?
No, because the asymptote is .
3. (Original post by Zacken)
No, because the asymptote is .
Asymptote of y=2 is unaffected by factor of 1/2?
4. (Original post by mystreet091234)
Asymptote of y=2 is unaffected by factor of 1/2?

Asymptote is still .

Asymptote moves up by 2.
5. (Original post by mystreet091234)
Asymptote of y=2 is unaffected by factor of 1/2?
Enlarging it by a factor of 1/2 gives 1-(1/4)e^x.

i.e. the asymptote is at y=1 now, not y=2.

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