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Calculus (Please Check my answers)

posted by on .

Find the average value of the function i=15(1-e to the power of -1/2 t) from t=0 and t=4?
A.7.5(1+e^-2)<< my answer
B.7.5(2+e^-2)
C.7.5(2-e^-2)
D.7.5(3-e^-2)



Find the rms value of the function i=15(1-e to the power of -1/2 t) from t=0 and t=4?

A.7.5 sqrt 1+4e^-2 -e^-4 <<<<my answer?
B.7.5 sqrt 4-2e^-2 + e^-4
C.7.5 sqrt 4+4e^-2 - e^-4
D.7.5 sqrt 5-2e^-2 + e^-4

  • Calculus (Please Check my answers) - ,

    For the first part, A is correct.
    (see my response at
    http://www.jiskha.com/display.cgi?id=1300011951
    )

    For the second part, A is also correct.

    7.5sqrt(1+4e^(-2)-e^(-4))

  • Calculus (Please Check my answers) - ,

    thank you so much MathMate .

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