Find the centroid of the area bounded by the parabola y = 4 - x^2 and the x-axis.

A. (0,1.6)
B. (0,1.7)
C. (0,1.8)
D. (0,1.9)

Find the average value of the function i=15(1-3^-1/2t) from t=0 to t=4.

A. 7.5(1+e^-2)
B. 7.5(2+e^-2)
C. 7.5(2-e^-2)
D. 7.5(3-e^-2)

1 answer

I get (A)

Assuming the typo 3 means e, I get (B)