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March 1, 2015

March 1, 2015

Posted by **Z32** on Tuesday, September 29, 2009 at 1:43pm.

lim as x approaches infinity 6/e^x + 7=____?

lim as x approaches negative infinity 6/e^x+7=____?

- Calculus -
**Reiny**, Tuesday, September 29, 2009 at 2:44pmfor the first

as x gets larger, 6/e^x gets closer to zero

so the limit is 0+7 = 7

for the second, remember that 1/a^-n = a^n

so for huge negative values of x, 6/e^x becomes "huge"

so for the second, it is undefined (infinitely large)

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