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Homework Help: Calc

Posted by Darren on Friday, January 25, 2013 at 4:53pm.

Calculate the area under the curve y=e^-x above the x axis on the interval [1, infinity).

a. infinity
b. 0
c. -1/e
d. 1/e
e. none of the above

• Calc - Damon, Friday, January 25, 2013 at 5:21pm

  integral e^-x dx = -e^-x
  
  so
  -e^-oo - (-e^-1)
  = 0 + 1/e
  

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