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March 30, 2017

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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 - ,

    integral e^-x dx = -e^-x

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

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