Posted by **anon** on Sunday, March 13, 2011 at 6:40pm.

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) -
**MathMate**, Sunday, March 13, 2011 at 10:11pm
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) -
**anon**, Monday, March 14, 2011 at 2:00am
thank you so much MathMate .

- Calculus :) -
**MathMate**, Monday, March 14, 2011 at 6:13am
:)

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